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[secret room escape game theme ranking list] Based on spring MVC + Spring + mybatis

Download resources :
https://download.csdn.net/download/weixin_44893902/25706959

One 、 Language and environment

1. Implement language :Java Language

2. Environmental requirements :eclipse/myeclipse /idea、maven、mysql

3. Using technology :Spring、SpringMVC、MyBatis、 Connection pool and json The package chooses itself

Two 、 Realization function

The secret room escape game is more and more popular with young people , Now rank the themes of secret room games everywhere , Selection 2021 The favorite secret room theme of the year .

explain : The following interface styles are for reference only , The actual completion effect is beautiful and reasonable .

1、 Display the data

According to the figure 1 Format , Show t_games All data in the table , And in accordance with the 【 Number of votes 】 Sort columns in descending order , Actually 【 Subject category 】 One column in t_games The table stores numbers , Need to be combined t_gamesType Corresponding in the table id The value shows the kind text . There is a voting button behind each row of data to vote on the corresponding topic .
 Data display page

2、 Query data

According to the 【 Subject name 】 and 【 Topic type 】 Data query . if 【 Subject name 】 It's empty , According to 【 Topic type 】 Inquire about , if 【 Subject name 】 Not empty , According to 【 Subject name 】 Make fuzzy queries and also combine 【 Topic type 】 Inquire about .【 Topic type 】 Drop down box required , And the options inside are from the database table t_gamesType Find out . As shown in the figure .
 chart 2  Query function

3、 Voting function

Click on 【 operation 】 The voting button in the column , A secondary confirmation box pops up , Click OK again , You can vote for the corresponding topic , After a successful vote , The number of votes for this data +1, As shown in the figure :
 chart 3  Vote for the topic
After the voting data is refreshed , If there is a change in the number of votes , To sort the new data in descending order , As shown in the figure :
 chart 4  After a successful vote , To update the latest ranking order

4、 New theme

Click the new button , Go to the new page , The options in the topic category need to go to the database t_gamesType Table query , Online time needs date Control , After clicking the Add button , Insert data into the data table , The default number of new topic votes is 0, And return to the main page to display the latest data , As shown in the figure :
 chart 5  New page

3、 ... and 、 Database design

1、 Create database :gamesDB.

2、 Create secret room ranking data table (t_games)

The structure is as follows :

Table name :t_ games
The entity name : Secret room ranking data sheet
Primary key :id

Serial number Field name Field description type digit attribute remarks
1 id Primary key int 11 Non empty id Primary key column , Self increasing 1
2 gamesName Secret room subject name varchar 50 Non empty
3 gamesType Chamber type number int 11 Non empty Foreign keys ,t_gamesType In the table id
4 producers Producer Varchar 50 Non empty
5 uptime On-line time date Non empty
6 votes Number of votes int 11 Non empty The default value is 0

Four 、 Recommended steps

1、 Use MySql Create database , Create the corresponding 2 A watch , Insert data as required .

t_games surface
 Insert picture description here
t_gamesType surface
 Insert picture description here

2、 Use development tools to create projects , Use maven add to spring、springMVC、mybatis、 Connection pool and other dependent coordinates .

3、 complete MyBatis Persistent layer function operation , Respectively for 2 A table completes the corresponding function writing .

4、 Complete the business logic layer interface 、 Realize the function of the class .

5、 Complete the corresponding functions of the controller

6、 Create the interface to interact with the controller to realize the corresponding functions

7 Italics style 、 Deploy the project to Tomcat, Run access test to see if the project is normal

5、 ... and 、 Implementation code

1、MySQL database

gamesdb.sql
 Insert picture description here

/* Navicat MySQL Data Transfer Date: 2021-07-27 20:29:20 */

SET FOREIGN_KEY_CHECKS=0;

-- ----------------------------
-- Table structure for `t_games`
-- ----------------------------
DROP TABLE IF EXISTS `t_games`;
CREATE TABLE `t_games` (
  `id` int(11) NOT NULL AUTO_INCREMENT,
  `games_name` varchar(255) DEFAULT NULL,
  `games_type` int(11) DEFAULT NULL,
  `producers` varchar(255) DEFAULT NULL,
  `uptime` varchar(255) DEFAULT NULL,
  `votes` int(11) unsigned zerofill DEFAULT NULL,
  PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=6 DEFAULT CHARSET=utf8;

-- ----------------------------
-- Records of t_games
-- ----------------------------
INSERT INTO `t_games` VALUES ('1', ' The darkness has invaded ', '1', '911 Dungeons ', '2019-07-01', '00000005400');
INSERT INTO `t_games` VALUES ('2', ' The land of silence ', '1', '911 Dungeons ', '2021-04-10', '00000003421');
INSERT INTO `t_games` VALUES ('3', ' latent ', '2', ' Changsha Zhiyan Culture Co., Ltd ', '2020-06-20', '00000002339');
INSERT INTO `t_games` VALUES ('4', ' Resurrection stone ', '3', ' Diagon Alley ', '2020-08-30', '00000002340');
INSERT INTO `t_games` VALUES ('5', ' Journey to the west ', '1', ' Cultural media ', '2021-07-27', '00000000007');

-- ----------------------------
-- Table structure for `t_gamestype`
-- ----------------------------
DROP TABLE IF EXISTS `t_gamestype`;
CREATE TABLE `t_gamestype` (
  `id` int(11) NOT NULL AUTO_INCREMENT,
  `type_name` varchar(50) DEFAULT NULL,
  PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=4 DEFAULT CHARSET=utf8;

-- ----------------------------
-- Records of t_gamestype
-- ----------------------------
INSERT INTO `t_gamestype` VALUES ('1', ' Terror ');
INSERT INTO `t_gamestype` VALUES ('2', ' Spy war ');
INSERT INTO `t_gamestype` VALUES ('3', ' Solve the mystery ');

2、JAVA Code

gamesDB
 Insert picture description here

(1) com.cst.controller【 Control layer 】

① TGamesController,java

package com.cst.controller;

import java.util.List;
import javax.annotation.Resource;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;

import com.cst.entity.TGames;
import com.cst.service.TGamesService;

@Controller
public class TGamesController {
    
	@Resource
	TGamesService tGamesService;
	
	// Query all the data , Fuzzy query 
	@RequestMapping("/tGamesList")
	public String accountList(Model model,String keyword,String type){
    
		List<TGames> selectAll = tGamesService.selectAll(keyword,type);
		model.addAttribute("selectAll",selectAll);
		return "games";
	}
	
	// Enter the add method 
	@RequestMapping("/addGames")
	public String addAccount() {
    
		return "addGames";
	}	
	// Perform the add operation 
	@RequestMapping("/addGamesDo")
	public String addAccountDo(TGames games) {
    
		games.setVotes(0);
		int users = tGamesService.insert(games);
		if (users>0) {
    
			return "redirect:/tGamesList.do";
		}else {
    
			return "forward:/addGames.do";
		}
	}
	
	@RequestMapping("/updateGamesDo")
	public String updateGamesDo(Integer id,Integer votes) {
    
		TGames games=new TGames();
		int votes1=votes+1;
		games.setId(id);
		games.setVotes(votes1);
		tGamesService.updateByPrimaryKey(games);
		return "redirect:/tGamesList.do";
	}
	
}


(2) com.cst.dao【 Database access layer 】

① TGamesMapper.java

package com.cst.dao;

import com.cst.entity.TGames;
import java.util.List;

import org.apache.ibatis.annotations.Param;

public interface TGamesMapper {
    
    int deleteByPrimaryKey(Integer id);

    int insert(TGames record);

    TGames selectByPrimaryKey(Integer id);

    List<TGames> selectAll(@Param("keyword")String keyword,@Param("type")String type);

    int updateByPrimaryKey(TGames record);
}

② TGamestypeMapper.java

package com.cst.dao;

import com.cst.entity.TGamestype;
import java.util.List;

public interface TGamestypeMapper {
    
    int deleteByPrimaryKey(Integer id);

    int insert(TGamestype record);

    TGamestype selectByPrimaryKey(Integer id);

    List<TGamestype> selectAll();

    int updateByPrimaryKey(TGamestype record);
}

③ TGamesMapper.xml

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd" >
<mapper namespace="com.cst.dao.TGamesMapper" >
  <resultMap id="BaseResultMap" type="com.cst.entity.TGames" >
    <id column="id" property="id" jdbcType="INTEGER" />
    <result column="games_name" property="gamesName" jdbcType="VARCHAR" />
    <result column="games_type" property="gamesType" jdbcType="INTEGER" />
    <result column="producers" property="producers" jdbcType="VARCHAR" />
    <result column="uptime" property="uptime" jdbcType="VARCHAR" />
    <result column="votes" property="votes" jdbcType="INTEGER" />
    <result column="type_name" property="typeName" jdbcType="VARCHAR" />
  </resultMap>
  <delete id="deleteByPrimaryKey" parameterType="java.lang.Integer" >
    delete from t_games
    where id = #{id,jdbcType=INTEGER}
  </delete>
  <insert id="insert" parameterType="com.cst.entity.TGames" >
    insert into t_games (id, games_name, games_type, 
      producers, uptime, votes
      )
    values (#{id,jdbcType=INTEGER}, #{gamesName,jdbcType=VARCHAR}, #{gamesType,jdbcType=INTEGER}, 
      #{producers,jdbcType=VARCHAR}, #{uptime,jdbcType=VARCHAR}, #{votes,jdbcType=INTEGER}
      )
  </insert>
  <update id="updateByPrimaryKey" parameterType="com.cst.entity.TGames" >
    update t_games
    set votes = #{votes,jdbcType=INTEGER}
    where id = #{id,jdbcType=INTEGER}
  </update>
  <select id="selectByPrimaryKey" resultMap="BaseResultMap" parameterType="java.lang.Integer" >
    select id, games_name, games_type, producers, uptime, votes
    from t_games
    where id = #{id,jdbcType=INTEGER}
  </select>
  <select id="selectAll" resultMap="BaseResultMap" >
    select g.id, games_name, type_name, producers, uptime, votes
    from t_games g,t_gamestype t where g.games_type=t.id
    <if test="keyword!=null and keyword!=''">
		and games_name like concat('%', #{keyword}, '%')
	</if>
	<if test="type!=null and type!=''">
		and type_name=#{type}
	</if>
	order by votes desc
  </select>
</mapper>

④ TGamestypeMapper.xml

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd" >
<mapper namespace="com.cst.dao.TGamestypeMapper" >
  <resultMap id="BaseResultMap" type="com.cst.entity.TGamestype" >
    <id column="id" property="id" jdbcType="INTEGER" />
    <result column="type_name" property="typeName" jdbcType="VARCHAR" />
  </resultMap>
  <delete id="deleteByPrimaryKey" parameterType="java.lang.Integer" >
    delete from t_gamestype
    where id = #{id,jdbcType=INTEGER}
  </delete>
  <insert id="insert" parameterType="com.cst.entity.TGamestype" >
    insert into t_gamestype (id, type_name)
    values (#{id,jdbcType=INTEGER}, #{typeName,jdbcType=VARCHAR})
  </insert>
  <update id="updateByPrimaryKey" parameterType="com.cst.entity.TGamestype" >
    update t_gamestype
    set type_name = #{typeName,jdbcType=VARCHAR}
    where id = #{id,jdbcType=INTEGER}
  </update>
  <select id="selectByPrimaryKey" resultMap="BaseResultMap" parameterType="java.lang.Integer" >
    select id, type_name
    from t_gamestype
    where id = #{id,jdbcType=INTEGER}
  </select>
  <select id="selectAll" resultMap="BaseResultMap" >
    select id, type_name
    from t_gamestype
  </select>
</mapper>

(3) com.cst.entity 【 Package for storing entities 】

① TGames.java

package com.cst.entity;

public class TGames {
    
    private Integer id;

    private String gamesName;

    private Integer gamesType;

    private String producers;

    private String uptime;

    private Integer votes;
    
    private String typeName;
    
    public String getTypeName() {
    
        return typeName;
    }

    public void setTypeName(String typeName) {
    
        this.typeName = typeName == null ? null : typeName.trim();
    }

    public Integer getId() {
    
        return id;
    }

    public void setId(Integer id) {
    
        this.id = id;
    }

    public String getGamesName() {
    
        return gamesName;
    }

    public void setGamesName(String gamesName) {
    
        this.gamesName = gamesName == null ? null : gamesName.trim();
    }

    public Integer getGamesType() {
    
        return gamesType;
    }

    public void setGamesType(Integer gamesType) {
    
        this.gamesType = gamesType;
    }

    public String getProducers() {
    
        return producers;
    }

    public void setProducers(String producers) {
    
        this.producers = producers == null ? null : producers.trim();
    }

    public String getUptime() {
    
        return uptime;
    }

    public void setUptime(String uptime) {
    
        this.uptime = uptime == null ? null : uptime.trim();
    }

    public Integer getVotes() {
    
        return votes;
    }

    public void setVotes(Integer votes) {
    
        this.votes = votes;
    }
}

② TGamestype.java

package com.cst.entity;

public class TGamestype {
    
    private Integer id;

    private String typeName;

    public Integer getId() {
    
        return id;
    }

    public void setId(Integer id) {
    
        this.id = id;
    }

    public String getTypeName() {
    
        return typeName;
    }

    public void setTypeName(String typeName) {
    
        this.typeName = typeName == null ? null : typeName.trim();
    }
}

(4) com.cst.generator【 Entity classes automatically generate packages 】

① Generator.java

package genter;
import java.io.IOException;
import java.io.InputStream;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.List;
import org.mybatis.generator.api.MyBatisGenerator;
import org.mybatis.generator.config.Configuration;
import org.mybatis.generator.config.xml.ConfigurationParser;
import org.mybatis.generator.exception.InvalidConfigurationException;
import org.mybatis.generator.exception.XMLParserException;
import org.mybatis.generator.internal.DefaultShellCallback;

public class Generator {
    
/* * targetRuntime="MyBatis3Simple",  No generation Example */
public void generateMyBatis() {
    
	//MBG Warning messages during execution 
	List<String> warnings = new ArrayList<String>();
	// When the generated code repeats , Covering the original code 
	boolean overwrite = true ;
	String generatorFile = "/generatorConfig.xml";
	//String generatorFile = "/generator/generatorConfigExample.xml";
	// Read MBG The configuration file 
	InputStream is = Generator.class.getResourceAsStream(generatorFile);

	ConfigurationParser cp = new ConfigurationParser(warnings);
	Configuration config;
	try {
    
		config = cp.parseConfiguration(is);
		DefaultShellCallback callback = new DefaultShellCallback(overwrite);
		// establish MBG
		MyBatisGenerator myBatisGenerator = new MyBatisGenerator(config, callback, warnings);
		// Execute generate code 
		myBatisGenerator.generate(null);
	} catch (IOException e) {
    
		e.printStackTrace();
	} catch (XMLParserException e) {
    
		e.printStackTrace();
	} catch (InvalidConfigurationException e) {
    
		e.printStackTrace();
	} catch (SQLException e) {
    
		e.printStackTrace();
	} catch (InterruptedException e) {
    
		e.printStackTrace();
	}
	for (String warning : warnings) {
    
		System.out.println(warning);
	}
}


public static void main(String[] args) {
    
	Generator generator = new Generator();
	generator.generateMyBatis();
}
}


(5) com.cst.service【 Interact with the page 】

① TGamesService.java

package com.cst.service;

import java.util.List;

import com.cst.entity.TGames;
import com.cst.entity.TGamestype;


public interface TGamesService {
    

	    int insert(TGames record);

	    List<TGames> selectAll(String keyword,String type);
	    int updateByPrimaryKey(TGames record);
}

(6) com.cst.service.imp【service Implementation class of 】

① TGServiceImpl.java

package com.cst.service.imp;

import java.util.List;

import javax.annotation.Resource;

import org.springframework.stereotype.Service;

import com.cst.dao.TGamesMapper;
import com.cst.entity.TGames;
import com.cst.entity.TGamestype;
import com.cst.service.TGamesService;

@Service
public class TGServiceImpl implements TGamesService{
    

	@Resource
	TGamesMapper tgamesMapper; 
	
	@Override
	public List<TGames> selectAll(String keyword,String type) {
    
		// TODO Auto-generated method stub
		List<TGames> tGamesList=tgamesMapper.selectAll(keyword,type);
		return tGamesList;
	}
	
	@Override
	public int insert(TGames record) {
    
		// TODO Auto-generated method stub
		int add=tgamesMapper.insert(record);
		return add;
	}

	@Override
	public int updateByPrimaryKey(TGames record) {
    
		// TODO Auto-generated method stub
		int updateByPrimaryKey = tgamesMapper.updateByPrimaryKey(record);
		return updateByPrimaryKey;
	}

}

3、JSP page

(1) Index.jsp【 Set the default open page 】

<%@ page language="java" contentType="text/html; charset=utf-8"
    pageEncoding="utf-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Insert title here</title>
</head>
<body>
<%
	String path=request.getContextPath();
	String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path;
%>
<script type="text/javascript"> window.location.href="<%=basePath%>/tGamesList.do"; </script>
</body>
</html>

(2) games.jsp【 The main page 】

<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path;
%>
<style> .wrap{
       width: 80%; margin: 0 auto; } h1 {
       width:40%; margin:0 auto; } a{
       text-decoration: none; } p{
       text-align: right; } h2{
       position:relative; left:40%; } tr:hover{
       background: orange; } img{
       width:100%; height:100%; } </style>
</head>
<body>
<div style="width: 70%;margin: 0 auto;">
<h2>2021 Annual secret room escape theme ranking </h2>
 	 <fieldset>
 	 	 <legend> Search for </legend>
			<div style="margin:10px">
			<form action="tGamesList.do" >
			 Subject name :<input type="text" name="keyword" id="keyword" value="" />
			 type :<select name="type">
					<option selected="selected" value=""> Please select </option>
					<option value=" Terror "> Terror </option>
					<option value=" Spy war "> Spy war </option>
					<option value=" Solve the mystery "> Solve the mystery </option>
				</select>
				<input type="submit" value=" Search for "/>
				<a href="addGames.do"><input type="button" value=" newly added "/></a>
			</form>
			</div>
 	 </fieldset>
 	 <hr/>
	<table width="100%" border="1px" cellpadding="5" cellspacing="0">
		<tr style="background-color: gray;">
			<td width="10%" align="center" > Number </td>
			<td width="15%" align="center"> Subject name </td>
			<td width="10%" align="center"> Subject category </td>
			<td width="20%" align="center"> Producer </td>
			<td width="15%" align="center"> On-line time </td>
			<td width="10%" align="center"> Number of votes </td>
			<td align="center" width="15%"> operation </td>
		</tr>
			<c:forEach items="${selectAll}" var="games">
				<tr align="center">
				 	<td>
				 		${games.id}
				 	</td>
					<td>
						${games.gamesName}
					</td>
					<td>
						${games.typeName}
					</td>
					<td>
						${games.producers}
					</td>
					<td>
						${games.uptime}
					</td>
					<td>
						${games.votes}
					</td>
					<td>
						<a href="#" onclick="delAccount(${games.id},${games.votes})"> vote </a>&nbsp;&nbsp;&nbsp;&nbsp;
					</td>
				</tr>
			</c:forEach>
				<tr style="text-align: center;background-color: white;">
					<td colspan="6"></td>
					
					<td>
						 total ${selectAll.size()} Data 
					</td>
				</tr>
	</table>
</div>
</body>
<script src="<%=request.getContextPath()%>/js/jquery-1.9.1.min.js"></script>
<script type="text/javascript"> function delAccount(id,votes) {
       if(confirm(" Are you sure to vote ?")){
       location.href="updateGamesDo.do?id="+id+"&votes="+votes; } } </script>
</html>

(3) addGames.jsp【 Add a page 】

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<html>
	<head>
		<meta charset="UTF-8">
		<title></title>
		<style type="text/css"> body{
       width: 100%; } .wrap_table{
       width: 40%; margin: 0 auto; text-align: center; } table{
       text-align: center; margin: 0 auto; } </style>
	</head>
	<body>
		<div class="wrap_table">
		<h2> New secret room escape theme </h2>
			<form action="addGamesDo.do" method="post">
				
				<table border="1" cellspacing="" cellpadding="">
				<tr>
					<td> name :</td>
					<td><input type="text" name="gamesName" id="name" value="" /></td>
				<tr>
					<td> type </td>
					<td>
						<select name="gamesType">
							<option selected="selected" value=""> Please select </option>
							<option value="1"> Terror </option>
							<option value="2"> Spy war </option>
							<option value="3"> Solve the mystery </option>
					</select>
					</td>
				</tr>
				<tr>
					<td> Producer :</td>
					<td><input type="text" name="producers" id="producers" value="" /></td>
				</tr>
				<tr>
					<td> On-line time :</td>
					<td><input type="date" name="uptime" id="number" value="" /></td>
				</tr>
				<tr>
					<td colspan="2">
						<input type="button" name="" id="button" onclick="addAccount()" value=" determine " />
						<input type="reset" name="" id="" value=" Reset " />
					</td>
				</tr>
			</table>
			</form>
		</div>
	<script type="text/javascript"> function addAccount() {
       var name = document.getElementById("name").value; var number = document.getElementById("number").value; var money = document.getElementById("producers").value; var button = document.getElementById("button"); console.log(button) if(name==""){
       alert(" Name cannot be empty !"); return false; }else if(number==""){
       alert(" Date cannot be empty !"); return false; }else if(money==""){
       alert(" The producer cannot be empty !"); return false; }else{
       button.setAttribute("type","submit"); } } </script>
	</body>
</html>

(4) web.xml【xml To configure 】

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://xmlns.jcp.org/xml/ns/javaee" xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd" id="WebApp_ID" version="3.1">
  <display-name>gamesDB</display-name>
  <welcome-file-list>
    <welcome-file>index.html</welcome-file>
    <welcome-file>index.htm</welcome-file>
    <welcome-file>index.jsp</welcome-file>
    <welcome-file>default.html</welcome-file>
    <welcome-file>default.htm</welcome-file>
    <welcome-file>default.jsp</welcome-file>
  </welcome-file-list>
   <!--spring Containers  -->
  <context-param>
  	<param-name>contextConfigLocation</param-name>
  	<param-value>classpath:spring/applicationContext-*.xml</param-value>
  </context-param>
  <!--  Monitor , load spring To configure  -->
  <listener>
  	<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
  </listener>
  <!--  Front controller  -->
	<servlet>
		<servlet-name>springmvc</servlet-name>
		<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
		<init-param>
			<param-name>contextConfigLocation</param-name>
			<param-value>classpath:spring/spring-mvc.xml</param-value>
		</init-param>
		<load-on-startup>1</load-on-startup>
	</servlet>
	<servlet-mapping>
		<servlet-name>springmvc</servlet-name>
		<url-pattern>*.do</url-pattern>
	</servlet-mapping>
	<!--  Set up post Requested character encoding filter  -->
  <filter>
        <filter-name>CharacterEncodingFilter</filter-name>
        <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
        <init-param>
            <param-name>encoding</param-name>
            <param-value>UTF-8</param-value>
        </init-param>
    </filter>
    <filter-mapping>
        <filter-name>CharacterEncodingFilter</filter-name>
        <url-pattern>/*</url-pattern>
    </filter-mapping>
</web-app>

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本文为[Mingjin]所创,转载请带上原文链接,感谢
https://cdmana.com/2021/10/20211002145854025v.html

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