diff --git "a/14 \346\235\216\344\277\212\345\205\264/Day0609 \347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/.idea/.gitignore" "b/14 \346\235\216\344\277\212\345\205\264/Day0609 \347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/.idea/.gitignore" new file mode 100644 index 0000000000000000000000000000000000000000..35410cacdc5e87f985c93a96520f5e11a5c822e4 --- /dev/null +++ "b/14 \346\235\216\344\277\212\345\205\264/Day0609 \347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/.idea/.gitignore" @@ -0,0 +1,8 @@ +# 默认忽略的文件 +/shelf/ +/workspace.xml +# 基于编辑器的 HTTP 客户端请求 +/httpRequests/ +# Datasource local storage ignored files +/dataSources/ +/dataSources.local.xml diff --git "a/14 \346\235\216\344\277\212\345\205\264/Day0609 \347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/.idea/artifacts/Day0609_war_exploded.xml" "b/14 \346\235\216\344\277\212\345\205\264/Day0609 \347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/.idea/artifacts/Day0609_war_exploded.xml" new file mode 100644 index 0000000000000000000000000000000000000000..49d138fdb21d51b7a16c5221d78193540c45aeb2 --- /dev/null +++ "b/14 \346\235\216\344\277\212\345\205\264/Day0609 \347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/.idea/artifacts/Day0609_war_exploded.xml" @@ -0,0 +1,13 @@ + + + $PROJECT_DIR$/out/artifacts/Day0609_war_exploded + + + + + + + + + + \ No newline at end of file diff --git "a/14 \346\235\216\344\277\212\345\205\264/Day0609 \347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/.idea/dataSources.xml" "b/14 \346\235\216\344\277\212\345\205\264/Day0609 \347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/.idea/dataSources.xml" new file mode 100644 index 0000000000000000000000000000000000000000..ba19978fd713e3238abfb22eacdf080f184f28e9 --- /dev/null +++ "b/14 \346\235\216\344\277\212\345\205\264/Day0609 \347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/.idea/dataSources.xml" @@ -0,0 +1,12 @@ + + + + + mysql.8 + true + com.mysql.cj.jdbc.Driver + jdbc:mysql://localhost:3306 + $ProjectFileDir$ + + + \ No newline at end of file diff --git "a/14 \346\235\216\344\277\212\345\205\264/Day0609 \347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/.idea/libraries/lib.xml" "b/14 \346\235\216\344\277\212\345\205\264/Day0609 \347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/.idea/libraries/lib.xml" new file mode 100644 index 0000000000000000000000000000000000000000..23106033b23a0c8e5ae95ddf611aebd76dc3d72f --- /dev/null +++ "b/14 \346\235\216\344\277\212\345\205\264/Day0609 \347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/.idea/libraries/lib.xml" @@ -0,0 +1,10 @@ + + + + + + + + + + \ No newline at end of file diff --git "a/14 \346\235\216\344\277\212\345\205\264/Day0609 \347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/.idea/misc.xml" "b/14 \346\235\216\344\277\212\345\205\264/Day0609 \347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/.idea/misc.xml" new file mode 100644 index 0000000000000000000000000000000000000000..05483570e041eb648703359441d61bf9a5feeb13 --- /dev/null +++ "b/14 \346\235\216\344\277\212\345\205\264/Day0609 \347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/.idea/misc.xml" @@ -0,0 +1,6 @@ + + + + + + \ No newline at end of file diff --git "a/14 \346\235\216\344\277\212\345\205\264/Day0609 \347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/.idea/modules.xml" "b/14 \346\235\216\344\277\212\345\205\264/Day0609 \347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/.idea/modules.xml" new file mode 100644 index 0000000000000000000000000000000000000000..4606445cd38c25c88f0bed23dbfb1a0208c4181d --- /dev/null +++ "b/14 \346\235\216\344\277\212\345\205\264/Day0609 \347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/.idea/modules.xml" @@ -0,0 +1,8 @@ + + + + + + + + \ No newline at end of file diff --git "a/14 \346\235\216\344\277\212\345\205\264/Day0609 \347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/Day0609.iml" "b/14 \346\235\216\344\277\212\345\205\264/Day0609 \347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/Day0609.iml" new file mode 100644 index 0000000000000000000000000000000000000000..bc73df7611ec684b1bbe278ef7410a3c374a9849 --- /dev/null +++ "b/14 \346\235\216\344\277\212\345\205\264/Day0609 \347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/Day0609.iml" @@ -0,0 +1,24 @@ + + + + + + + + + + + + + + + + + + + + + + + + \ No newline at end of file diff --git "a/14 \346\235\216\344\277\212\345\205\264/Day0609 \347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/out/artifacts/Day0609_war_exploded/WEB-INF/add.jsp" "b/14 \346\235\216\344\277\212\345\205\264/Day0609 \347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/out/artifacts/Day0609_war_exploded/WEB-INF/add.jsp" new file mode 100644 index 0000000000000000000000000000000000000000..2cdb71774445bf98319c514bb7750b63025189f2 --- /dev/null +++ "b/14 \346\235\216\344\277\212\345\205\264/Day0609 \347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/out/artifacts/Day0609_war_exploded/WEB-INF/add.jsp" @@ -0,0 +1,53 @@ +<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %> +<%-- + Created by IntelliJ IDEA. + User: Administrator + Date: 2023-06-09 + Time: 17:17 + To change this template use File | Settings | File Templates. +--%> +<%@ page contentType="text/html;charset=UTF-8" language="java" %> + + + Title + + +
+ + + + + + + + + + + + + + + + + + + + + + + + + + + + +
租赁方式
租金（元）
联系人
押金方式
房屋类型 + +
详细地址
+
+ + diff --git "a/14 \346\235\216\344\277\212\345\205\264/Day0609 \347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/out/artifacts/Day0609_war_exploded/WEB-INF/classes/Main.class" "b/14 \346\235\216\344\277\212\345\205\264/Day0609 \347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/out/artifacts/Day0609_war_exploded/WEB-INF/classes/Main.class" new file mode 100644 index 0000000000000000000000000000000000000000..baa3095135d94c33157ebcb8e4f7ff41bf99d277 Binary files /dev/null and "b/14 \346\235\216\344\277\212\345\205\264/Day0609 \347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/out/artifacts/Day0609_war_exploded/WEB-INF/classes/Main.class" differ diff --git "a/14 \346\235\216\344\277\212\345\205\264/Day0609 \347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/out/artifacts/Day0609_war_exploded/WEB-INF/classes/bean/HouseInfo.class" "b/14 \346\235\216\344\277\212\345\205\264/Day0609 \347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/out/artifacts/Day0609_war_exploded/WEB-INF/classes/bean/HouseInfo.class" new file mode 100644 index 0000000000000000000000000000000000000000..6aa5a48bc5fa61fb2d463aae52fdf2d5bdb5cb96 Binary files /dev/null and "b/14 \346\235\216\344\277\212\345\205\264/Day0609 \347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/out/artifacts/Day0609_war_exploded/WEB-INF/classes/bean/HouseInfo.class" differ diff --git "a/14 \346\235\216\344\277\212\345\205\264/Day0609 \347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/out/artifacts/Day0609_war_exploded/WEB-INF/classes/bean/HouseType.class" "b/14 \346\235\216\344\277\212\345\205\264/Day0609 \347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/out/artifacts/Day0609_war_exploded/WEB-INF/classes/bean/HouseType.class" new file mode 100644 index 0000000000000000000000000000000000000000..88bdcdc931a10cde63e8ea5f3abf585fa0909401 Binary files /dev/null and "b/14 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\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/out/artifacts/Day0609_war_exploded/WEB-INF/classes/servlet/ListServlet.class" "b/14 \346\235\216\344\277\212\345\205\264/Day0609 \347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/out/artifacts/Day0609_war_exploded/WEB-INF/classes/servlet/ListServlet.class" new file mode 100644 index 0000000000000000000000000000000000000000..a114b0d0abf91fc46da41237b538f165db46558b Binary files /dev/null and "b/14 \346\235\216\344\277\212\345\205\264/Day0609 \347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/out/artifacts/Day0609_war_exploded/WEB-INF/classes/servlet/ListServlet.class" differ diff --git "a/14 \346\235\216\344\277\212\345\205\264/Day0609 \347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/out/artifacts/Day0609_war_exploded/WEB-INF/classes/utils/DBUtil.class" "b/14 \346\235\216\344\277\212\345\205\264/Day0609 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\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/out/artifacts/Day0609_war_exploded/WEB-INF/lib/servlet-api.jar" "b/14 \346\235\216\344\277\212\345\205\264/Day0609 \347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/out/artifacts/Day0609_war_exploded/WEB-INF/lib/servlet-api.jar" new file mode 100644 index 0000000000000000000000000000000000000000..a8208fbb4a7d2db192f70f641b42c4d549b32084 Binary files /dev/null and "b/14 \346\235\216\344\277\212\345\205\264/Day0609 \347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/out/artifacts/Day0609_war_exploded/WEB-INF/lib/servlet-api.jar" differ diff --git "a/14 \346\235\216\344\277\212\345\205\264/Day0609 \347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/out/artifacts/Day0609_war_exploded/WEB-INF/lib/standard.jar" "b/14 \346\235\216\344\277\212\345\205\264/Day0609 \347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/out/artifacts/Day0609_war_exploded/WEB-INF/lib/standard.jar" new file mode 100644 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uri="http://java.sun.com/jsp/jstl/core" %> +<%@ page contentType="text/html;charset=UTF-8" language="java" %> + + + Title + + + + + + + + + + + + + + + + + + + + + + + + + +
编号租赁方式租金（元）联系人押金方式房屋类型详细地址
${house.id}${house.leaseMode}${house.rent}${house.contacts}${house.depositMethod}${house.type}${house.address}
+ + diff --git "a/14 \346\235\216\344\277\212\345\205\264/Day0609 \347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/out/artifacts/Day0609_war_exploded/WEB-INF/msg.jsp" "b/14 \346\235\216\344\277\212\345\205\264/Day0609 \347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/out/artifacts/Day0609_war_exploded/WEB-INF/msg.jsp" new file mode 100644 index 0000000000000000000000000000000000000000..00e7c4dfd5d54710c680270b302c60d20d84b06a --- /dev/null +++ "b/14 \346\235\216\344\277\212\345\205\264/Day0609 \347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/out/artifacts/Day0609_war_exploded/WEB-INF/msg.jsp" @@ -0,0 +1,17 @@ +<%-- + Created by IntelliJ IDEA. + User: Administrator + Date: 2023-06-09 + Time: 17:37 + To change this template use File | Settings | File Templates. +--%> +<%@ page contentType="text/html;charset=UTF-8" language="java" %> + + + Title + + +${msg} + + + diff --git "a/14 \346\235\216\344\277\212\345\205\264/Day0609 \347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/out/artifacts/Day0609_war_exploded/WEB-INF/web.xml" "b/14 \346\235\216\344\277\212\345\205\264/Day0609 \347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/out/artifacts/Day0609_war_exploded/WEB-INF/web.xml" new file mode 100644 index 0000000000000000000000000000000000000000..d80081d1318531b6c30eaf0d748bf80a0b2e042a --- /dev/null +++ "b/14 \346\235\216\344\277\212\345\205\264/Day0609 \347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/out/artifacts/Day0609_war_exploded/WEB-INF/web.xml" @@ -0,0 +1,6 @@ + + + \ No newline at end of file diff --git "a/14 \346\235\216\344\277\212\345\205\264/Day0609 \347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/out/artifacts/Day0609_war_exploded/index.jsp" "b/14 \346\235\216\344\277\212\345\205\264/Day0609 \347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/out/artifacts/Day0609_war_exploded/index.jsp" new file mode 100644 index 0000000000000000000000000000000000000000..47f52b57fe9375bdee9fee574da0272a32670a36 --- /dev/null +++ "b/14 \346\235\216\344\277\212\345\205\264/Day0609 \347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/out/artifacts/Day0609_war_exploded/index.jsp" @@ -0,0 +1,16 @@ +<%-- + Created by IntelliJ IDEA. + User: Administrator + Date: 2023-06-09 + Time: 16:03 + To change this template use File | Settings | File Templates. +--%> +<%@ page contentType="text/html;charset=UTF-8" language="java" %> + + + $Title$ + + + $END$ + + diff --git "a/14 \346\235\216\344\277\212\345\205\264/Day0609 \347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/out/production/Day0609/Main.class" "b/14 \346\235\216\344\277\212\345\205\264/Day0609 \347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/out/production/Day0609/Main.class" new file mode 100644 index 0000000000000000000000000000000000000000..baa3095135d94c33157ebcb8e4f7ff41bf99d277 Binary files /dev/null and "b/14 \346\235\216\344\277\212\345\205\264/Day0609 \347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/out/production/Day0609/Main.class" differ diff --git "a/14 \346\235\216\344\277\212\345\205\264/Day0609 \347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/out/production/Day0609/bean/HouseInfo.class" "b/14 \346\235\216\344\277\212\345\205\264/Day0609 \347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/out/production/Day0609/bean/HouseInfo.class" new file mode 100644 index 0000000000000000000000000000000000000000..6aa5a48bc5fa61fb2d463aae52fdf2d5bdb5cb96 Binary files /dev/null and "b/14 \346\235\216\344\277\212\345\205\264/Day0609 \347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/out/production/Day0609/bean/HouseInfo.class" differ diff --git "a/14 \346\235\216\344\277\212\345\205\264/Day0609 \347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/out/production/Day0609/bean/HouseType.class" "b/14 \346\235\216\344\277\212\345\205\264/Day0609 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\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/out/production/Day0609/utils/DBUtil.class" new file mode 100644 index 0000000000000000000000000000000000000000..8baae54864b2a18bb769899f7fa9bc35743346a8 Binary files /dev/null and "b/14 \346\235\216\344\277\212\345\205\264/Day0609 \347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/out/production/Day0609/utils/DBUtil.class" differ diff --git "a/14 \346\235\216\344\277\212\345\205\264/Day0609 \347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/src/Main.java" "b/14 \346\235\216\344\277\212\345\205\264/Day0609 \347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/src/Main.java" new file mode 100644 index 0000000000000000000000000000000000000000..3e59c38fbd57497a72e78859efacc67ac75869da --- /dev/null +++ "b/14 \346\235\216\344\277\212\345\205\264/Day0609 \347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/src/Main.java" @@ -0,0 +1,5 @@ +public class Main { + public static void main(String[] args) { + System.out.println("Hello world!"); + } +} \ No newline at end of file diff --git "a/14 \346\235\216\344\277\212\345\205\264/Day0609 \347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/src/bean/HouseInfo.java" "b/14 \346\235\216\344\277\212\345\205\264/Day0609 \347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/src/bean/HouseInfo.java" new file mode 100644 index 0000000000000000000000000000000000000000..fb27f6631c0cd5bc8de12e60a4926ad2df9ef2b7 --- /dev/null +++ "b/14 \346\235\216\344\277\212\345\205\264/Day0609 \347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/src/bean/HouseInfo.java" @@ -0,0 +1,104 @@ +package bean; + +public class HouseInfo { + private int id; + private String leaseMode; //租赁方式 + private double rent; //租金（元） + private String contacts; // 联系人 + private String depositMethod;//押金方式 + private int typeId; //房屋类型 + private String address;//地址 + private String type; + + public HouseInfo() { + } + + @Override + public String toString() { + return "HouseInfo{" + + "id=" + id + + ", leaseMode='" + leaseMode + '\'' + + ", rent=" + rent + + ", contacts='" + contacts + '\'' + + ", depositMethod='" + depositMethod + '\'' + + ", typeId=" + typeId + + ", address='" + address + '\'' + + ", type='" + type + '\'' + + '}'; + } + + public int getId() { + return id; + } + + public void setId(int id) { + this.id = id; + } + + public String getLeaseMode() { + return leaseMode; + } + + public void setLeaseMode(String leaseMode) { + this.leaseMode = leaseMode; + } + + public double getRent() { + return rent; + } + + public void setRent(double rent) { + this.rent = rent; + } + + public String getContacts() { + return contacts; + } + + public void setContacts(String contacts) { + this.contacts = contacts; + } + + public String getDepositMethod() { + return depositMethod; + } + + public void setDepositMethod(String depositMethod) { + this.depositMethod = depositMethod; + } + + public int getTypeId() { + return typeId; + } + + public void setTypeId(int typeId) { + this.typeId = typeId; + } + + public String getAddress() { + return address; + } + + public void setAddress(String address) { + this.address = address; + } + + public String getType() { + return type; + } + + public void setType(String type) { + this.type = type; + } + + public HouseInfo(int id, String leaseMode, double rent, String contacts, String depositMethod, int typeId, String address, String type) { + this.id = id; + this.leaseMode = leaseMode; + this.rent = rent; + this.contacts = contacts; + this.depositMethod = depositMethod; + this.typeId = typeId; + this.address = address; + this.type = type; + } +} diff --git "a/14 \346\235\216\344\277\212\345\205\264/Day0609 \347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/src/bean/HouseType.java" "b/14 \346\235\216\344\277\212\345\205\264/Day0609 \347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/src/bean/HouseType.java" new file mode 100644 index 0000000000000000000000000000000000000000..bb3d73ebfa31d3286fc0d0fce836e96475d5b940 --- /dev/null +++ "b/14 \346\235\216\344\277\212\345\205\264/Day0609 \347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/src/bean/HouseType.java" @@ -0,0 +1,38 @@ +package bean; + +public class HouseType { + private int id; + private String type; + + public HouseType(int id, String type) { + this.id = id; + this.type = type; + } + + public HouseType() { + } + + public int getId() { + return id; + } + + public void setId(int id) { + this.id = id; + } + + public String getType() { + return type; + } + + public void setType(String type) { + this.type = type; + } + + @Override + public String toString() { + return "HouseType{" + + "id=" + id + + ", type='" + type + '\'' + + '}'; + } +} diff --git "a/14 \346\235\216\344\277\212\345\205\264/Day0609 \347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/src/servlet/AddServlet.java" "b/14 \346\235\216\344\277\212\345\205\264/Day0609 \347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/src/servlet/AddServlet.java" new file mode 100644 index 0000000000000000000000000000000000000000..1faa967e78a200e366784691849caf961f35696e --- /dev/null +++ "b/14 \346\235\216\344\277\212\345\205\264/Day0609 \347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/src/servlet/AddServlet.java" @@ -0,0 +1,68 @@ +package servlet; + +import bean.HouseInfo; +import bean.HouseType; +import utils.DBUtil; + +import javax.servlet.*; +import javax.servlet.http.*; +import javax.servlet.annotation.*; +import java.io.IOException; +import java.sql.ResultSet; +import java.sql.SQLException; +import java.util.ArrayList; + +@WebServlet("/add") +public class AddServlet extends HttpServlet { + @Override + protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { +// 1. 编写sql语句 使用JSP显示 + String sql = "select * from house_type "; +// 2. 将sql语句 传给工具类 + ResultSet re = DBUtil.query(sql); +// 3. 设置一个集合，遍历结果集，封装成对象 再将对象添加到集合中 + ArrayList list = new ArrayList<>(); + try { + while (re.next()){ + int id = re.getInt(1); + String type = re.getString(2); + HouseType hous = new HouseType(id, type); + list.add(hous); + } + } catch (SQLException e) { + e.printStackTrace(); + } +// 4. 把集合添加request请求域中 + request.setAttribute("list",list); +// 5. 将请求转发给jSP + request.getRequestDispatcher("/WEB-INF/add.jsp").forward(request,response); + + } + + @Override + protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { + // 1 处理乱码 + request.setCharacterEncoding("utf-8"); + // 2 接收表单数据 + String leaseMode = request.getParameter("leaseMode"); + String rent = request.getParameter("rent"); + String contacts = request.getParameter("contacts"); + String depositMethod = request.getParameter("depositMethod"); + String type = request.getParameter("type"); + String address = request.getParameter("address"); + // 3 编写sql + String sql = "insert into house_info values (?,?,?,?,?,?,?)"; + // 4 调用工具类执行SQL，得到影响的行数 + int i = DBUtil.update(sql, null, leaseMode, rent, contacts, depositMethod, type, address); + // 5 根据影响的行数，做判断提示 + if (i>0){ + // 使用响应的重定向可以直接刷新列表 + response.sendRedirect("/list"); + }else{ + // 在request域中添加失败的提示信息 + request.setAttribute("msg","添加失败"); + // 5 将请求转发给jsp + request.getRequestDispatcher("/WEB-INF/msg.jsp").forward(request,response); + } +} +} diff --git "a/14 \346\235\216\344\277\212\345\205\264/Day0609 \347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/src/servlet/ListServlet.java" "b/14 \346\235\216\344\277\212\345\205\264/Day0609 \347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/src/servlet/ListServlet.java" new file mode 100644 index 0000000000000000000000000000000000000000..09aa0565948faaab744926bffb38f021831fc5d7 --- /dev/null +++ "b/14 \346\235\216\344\277\212\345\205\264/Day0609 \347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/src/servlet/ListServlet.java" @@ -0,0 +1,50 @@ +package servlet; + +import bean.HouseInfo; +import utils.DBUtil; + +import javax.servlet.*; +import javax.servlet.http.*; +import javax.servlet.annotation.*; +import java.io.IOException; +import java.sql.ResultSet; +import java.sql.SQLException; +import java.util.ArrayList; + +@WebServlet("/list") +public class ListServlet extends HttpServlet { + @Override + protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { +// 1. 编写sql语句 使用JSP显示 + String sql = "select * from house_info i,house_type t where i.house_type_id = t.id"; +// 2. 将sql语句 传给工具类 + ResultSet re = DBUtil.query(sql); +// 3. 设置一个集合，遍历结果集，封装成对象 再将对象添加到集合中 + ArrayList list = new ArrayList<>(); + try { + while (re.next()){ + int id = re.getInt(1); + String leaseMode = re.getString(2); + double rent = re.getDouble(3); + String contacts = re.getString(4); + String method = re.getString(5); + int typeId = re.getInt(6); + String address = re.getString(7); + String type = re.getString(9); + HouseInfo house = new HouseInfo(id, leaseMode, rent, contacts, method, typeId, address, type); + list.add(house); + } + } catch (SQLException e) { + e.printStackTrace(); + } +// 4. 把集合添加request请求域中 + request.setAttribute("list",list); +// 5. 将请求转发给jSP + request.getRequestDispatcher("/WEB-INF/list.jsp").forward(request,response); + } + + @Override + protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { + + } +} diff --git "a/14 \346\235\216\344\277\212\345\205\264/Day0609 \347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/src/utils/DBUtil.java" "b/14 \346\235\216\344\277\212\345\205\264/Day0609 \347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/src/utils/DBUtil.java" new file mode 100644 index 0000000000000000000000000000000000000000..3eb7be14b5f3a8ffad88fab45ad4ff994534b36b --- /dev/null +++ "b/14 \346\235\216\344\277\212\345\205\264/Day0609 \347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/src/utils/DBUtil.java" @@ -0,0 +1,64 @@ +package utils; + +import java.sql.*; + +/** + * 工具类 都是static 类 + */ +public class DBUtil { +// 1. 定义数据库地址 + static String url = "jdbc:mysql:///test?characterEncoding=utf8"; + static String user = "root"; + static String PWD = "root"; +// 2. 注册驱动 + static { + try { + Class.forName("com.mysql.jdbc.Driver"); + } catch (ClassNotFoundException e) { + e.printStackTrace(); + } +} +// 3. 获取连接对象 + public static Connection getConn() throws SQLException { + Connection conn = DriverManager.getConnection(url, user, PWD); + return conn; + } +// 4. 通用的查询方法 返回结果集 + public static ResultSet query(String sql,Object...keys){ + ResultSet re = null; + try { + Connection conn = getConn(); +// 获取执行sql语句的pst + PreparedStatement pst = conn.prepareStatement(sql); +// 遍历keys值 + for (int i = 0; i < keys.length; i++) { + pst.setObject((i+1),keys[i]); + } +// pst 执行sql得到结果集 + re = pst.executeQuery(); + } catch (SQLException e) { + e.printStackTrace(); + } +// 返回结果集 + return re; + } +// 5. 通用的update + public static int update(String sql,Object...keys){ + int re = 0; + try { + Connection conn = getConn(); +// 获取执行sql语句的pst + PreparedStatement pst = conn.prepareStatement(sql); +// 遍历keys值 + for (int i = 0; i < keys.length; i++) { + pst.setObject((i+1),keys[i]); + } +// pst 执行sql得到结果集 + re = pst.executeUpdate(); + } catch (SQLException e) { + e.printStackTrace(); + } +// 返回结果集 + return re; +} +} diff --git "a/14 \346\235\216\344\277\212\345\205\264/Day0609 \347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/web/WEB-INF/add.jsp" "b/14 \346\235\216\344\277\212\345\205\264/Day0609 \347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/web/WEB-INF/add.jsp" new file mode 100644 index 0000000000000000000000000000000000000000..2cdb71774445bf98319c514bb7750b63025189f2 --- /dev/null +++ "b/14 \346\235\216\344\277\212\345\205\264/Day0609 \347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/web/WEB-INF/add.jsp" @@ -0,0 +1,53 @@ +<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %> +<%-- + Created by IntelliJ IDEA. + User: Administrator + Date: 2023-06-09 + Time: 17:17 + To change this template use File | Settings | File Templates. +--%> +<%@ page contentType="text/html;charset=UTF-8" language="java" %> + + + Title + + +
+ + + + + + + + + + + + + + + + + + + + + + + + + + + + +
租赁方式
租金（元）
联系人
押金方式
房屋类型 + +
详细地址
+
+ + diff --git "a/14 \346\235\216\344\277\212\345\205\264/Day0609 \347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/web/WEB-INF/lib/jstl.jar" "b/14 \346\235\216\344\277\212\345\205\264/Day0609 \347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/web/WEB-INF/lib/jstl.jar" new file mode 100644 index 0000000000000000000000000000000000000000..a02abecc8b888f09e4d1f9e4c9790dc482426d4f Binary files /dev/null and "b/14 \346\235\216\344\277\212\345\205\264/Day0609 \347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/web/WEB-INF/lib/jstl.jar" differ diff --git "a/14 \346\235\216\344\277\212\345\205\264/Day0609 \347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/web/WEB-INF/lib/mysql-connector-java-5.1.8.jar" "b/14 \346\235\216\344\277\212\345\205\264/Day0609 \347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/web/WEB-INF/lib/mysql-connector-java-5.1.8.jar" new file mode 100644 index 0000000000000000000000000000000000000000..5a7c6fb070683d0afff5aaa43ad0f8a0340ea8c3 Binary files /dev/null and "b/14 \346\235\216\344\277\212\345\205\264/Day0609 \347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/web/WEB-INF/lib/mysql-connector-java-5.1.8.jar" differ diff --git "a/14 \346\235\216\344\277\212\345\205\264/Day0609 \347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/web/WEB-INF/lib/servlet-api.jar" "b/14 \346\235\216\344\277\212\345\205\264/Day0609 \347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/web/WEB-INF/lib/servlet-api.jar" new file mode 100644 index 0000000000000000000000000000000000000000..a8208fbb4a7d2db192f70f641b42c4d549b32084 Binary files /dev/null and "b/14 \346\235\216\344\277\212\345\205\264/Day0609 \347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/web/WEB-INF/lib/servlet-api.jar" differ diff --git "a/14 \346\235\216\344\277\212\345\205\264/Day0609 \347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/web/WEB-INF/lib/standard.jar" "b/14 \346\235\216\344\277\212\345\205\264/Day0609 \347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/web/WEB-INF/lib/standard.jar" new file mode 100644 index 0000000000000000000000000000000000000000..bc528acb949096eeb2e3048de1ff5b9ab12a66c5 Binary files /dev/null and "b/14 \346\235\216\344\277\212\345\205\264/Day0609 \347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/web/WEB-INF/lib/standard.jar" differ diff --git "a/14 \346\235\216\344\277\212\345\205\264/Day0609 \347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/web/WEB-INF/list.jsp" "b/14 \346\235\216\344\277\212\345\205\264/Day0609 \347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/web/WEB-INF/list.jsp" new file mode 100644 index 0000000000000000000000000000000000000000..12286319be1155f13318aa230ca5757830ab4aca --- /dev/null +++ "b/14 \346\235\216\344\277\212\345\205\264/Day0609 \347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/web/WEB-INF/list.jsp" @@ -0,0 +1,37 @@ +<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %> +<%@ page contentType="text/html;charset=UTF-8" language="java" %> + + + Title + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
编号租赁方式租金（元）联系人押金方式房屋类型详细地址操作
${house.id}${house.leaseMode}${house.rent}${house.contacts}${house.depositMethod}${house.type}${house.address}
+ + diff --git "a/14 \346\235\216\344\277\212\345\205\264/Day0609 \347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/web/WEB-INF/msg.jsp" "b/14 \346\235\216\344\277\212\345\205\264/Day0609 \347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/web/WEB-INF/msg.jsp" new file mode 100644 index 0000000000000000000000000000000000000000..00e7c4dfd5d54710c680270b302c60d20d84b06a --- /dev/null +++ "b/14 \346\235\216\344\277\212\345\205\264/Day0609 \347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/web/WEB-INF/msg.jsp" @@ -0,0 +1,17 @@ +<%-- + Created by IntelliJ IDEA. + User: Administrator + Date: 2023-06-09 + Time: 17:37 + To change this template use File | Settings | File Templates. +--%> +<%@ page contentType="text/html;charset=UTF-8" language="java" %> + + + Title + + +${msg} + + + diff --git "a/14 \346\235\216\344\277\212\345\205\264/Day0609 \347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/web/WEB-INF/web.xml" "b/14 \346\235\216\344\277\212\345\205\264/Day0609 \347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/web/WEB-INF/web.xml" new file mode 100644 index 0000000000000000000000000000000000000000..d80081d1318531b6c30eaf0d748bf80a0b2e042a --- /dev/null +++ "b/14 \346\235\216\344\277\212\345\205\264/Day0609 \347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/web/WEB-INF/web.xml" @@ -0,0 +1,6 @@ + + + \ No newline at end of file diff --git "a/14 \346\235\216\344\277\212\345\205\264/Day0609 \347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/web/index.jsp" "b/14 \346\235\216\344\277\212\345\205\264/Day0609 \347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/web/index.jsp" new file mode 100644 index 0000000000000000000000000000000000000000..47f52b57fe9375bdee9fee574da0272a32670a36 --- /dev/null +++ "b/14 \346\235\216\344\277\212\345\205\264/Day0609 \347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/web/index.jsp" @@ -0,0 +1,16 @@ +<%-- + Created by IntelliJ IDEA. + User: Administrator + Date: 2023-06-09 + Time: 16:03 + To change this template use File | Settings | File Templates. +--%> +<%@ page contentType="text/html;charset=UTF-8" language="java" %> + + + $Title$ + + + $END$ + + diff --git "a/14 \346\235\216\344\277\212\345\205\264/Day0609 \347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\210\277\346\272\220.sql" "b/14 \346\235\216\344\277\212\345\205\264/Day0609 \347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\210\277\346\272\220.sql" new file mode 100644 index 0000000000000000000000000000000000000000..b3faa947ce23e05ab83322aff063664bbc69bcdb --- /dev/null +++ "b/14 \346\235\216\344\277\212\345\205\264/Day0609 \347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\346\210\277\346\272\220.sql" @@ -0,0 +1,33 @@ +# 数据库名称：test +create database test charset utf8; +use test; +# house_type表 +create table house_type +( + id int primary key auto_increment, # 主键,自动增长列 编号 + type varchar(50) # 房屋类型 +); +# 为 house_type 表插入数据 +insert into house_type values + (null,'三室一厅两卫'), + (null,'两室一厅一卫'), + (null,'三室一厅一卫'), + (null,'四室两厅两卫'); + +# 表：house_info (房源信息表) +create table house_info ( + id int primary key auto_increment , # 编号主键,自动增长列 + lease_mode varchar(50), # 租赁方式可以为空 + rent double not null , # 租金不允许为空 + contacts varchar(20) , # 联系人可以为空 + deposit_method varchar(20) , # 押金方式可以为空 + house_type_id int , # 房屋类型外键 + address varchar(200) not null , # 详细地址不允许为空 + foreign key (house_type_id) references house_type(id) +); +# 为 house_info 插入数据 +insert into house_info values + (null,'合租',1800,'李青','押一付一',1,'福建省龙岩市长汀县大同镇江滨中路41号'), + (null,'单租',1400,'艾希','押三付二',2,'福建省龙岩市长汀县大同镇江滨中路'), + (null,'整租',4000,'夏梦','押一付二',4,'福建省龙岩市长汀县大同镇'), + (null,'合租',2000,'林青','押零付一',3,'福建省龙岩市长汀县');