轉載於:http://www.cnblogs.com/caiya928/p/4851686.html?utm_source=tuicool&utm_medium=referral
閑來無事,看了看別人的博客文檔也跟着敲了敲,特地記錄下來,方便以后學習:
spring版本:4.0.6
mybatis版本:3.2.5
所有jar包打包下載:http://pan.baidu.com/s/1qLEaU
1、項目目錄結構

其中,controller包下存放控制層文件,dao下存放各個model類相關的數據庫操作接口,entity下放置各種model類,mappers下放置各個dao對應的映射文件,service服務層就不說了,放置各種service接口,impl是其具體實現類。
2、web.xml文件配置
<?xml version="1.0" encoding="UTF-8"?>
<web-app version="3.0"
xmlns="http://java.sun.com/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd">
<display-name></display-name>
<welcome-file-list>
<welcome-file>login.jsp</welcome-file>
</welcome-file-list>
<!-- Spring配置文件 -->
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:applicationContext.xml</param-value>
</context-param>
<!-- 編碼過濾器 -->
<filter>
<filter-name>encodingFilter</filter-name>
<filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
<async-supported>true</async-supported>
<init-param>
<param-name>encoding</param-name>
<param-value>UTF-8</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>encodingFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<!-- 配置Spring監聽器 -->
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<!-- 添加對SpringMVC的支持 -->
<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-mvc.xml</param-value>
</init-param>
</servlet>
<servlet-mapping>
<servlet-name>SpringMVC</servlet-name>
<url-pattern>*.do</url-pattern>
</servlet-mapping>
</web-app>
3、log4j.properties配置日志
log4j.rootLogger=DEBUG, Console #Console log4j.appender.Console=org.apache.log4j.ConsoleAppender log4j.appender.Console.layout=org.apache.log4j.PatternLayout log4j.appender.Console.layout.ConversionPattern=%d [%t] %-5p [%c] - %m%n log4j.logger.java.sql.ResultSet=INFO log4j.logger.org.apache=INFO log4j.logger.java.sql.Connection=DEBUG log4j.logger.java.sql.Statement=DEBUG log4j.logger.java.sql.PreparedStatement=DEBUG
4、mybatis-config.xml配置
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE configuration
PUBLIC "-//mybatis.org//DTD Config 3.0//EN"
"http://mybatis.org/dtd/mybatis-3-config.dtd">
<configuration>
<!-- 別名 -->
<typeAliases>
<package name="com.java.entity" /> <!-- 后面書寫類全名時默認加該包名前綴如:<resultMap type="User"... -->
</typeAliases>
</configuration>
5、spring-mvc.xml配置
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:p="http://www.springframework.org/schema/p"
xmlns:aop="http://www.springframework.org/schema/aop"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:jee="http://www.springframework.org/schema/jee"
xmlns:tx="http://www.springframework.org/schema/tx"
xsi:schemaLocation="
http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-4.0.xsd
http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.0.xsd
http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.0.xsd
http://www.springframework.org/schema/jee http://www.springframework.org/schema/jee/spring-jee-4.0.xsd
http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.0.xsd">
<!-- 使用注解的包,包括子集 -->
<context:component-scan base-package="com.java.controller"></context:component-scan>
<!-- 視圖解析器 -->
<bean id="viewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<property name="prefix" value="/"></property>
<property name="suffix" value=".jsp"></property>
</bean>
</beans>
6、applicationContext.xml配置
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:p="http://www.springframework.org/schema/p"
xmlns:aop="http://www.springframework.org/schema/aop"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:jee="http://www.springframework.org/schema/jee"
xmlns:tx="http://www.springframework.org/schema/tx"
xsi:schemaLocation="
http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-4.0.xsd
http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.0.xsd
http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.0.xsd
http://www.springframework.org/schema/jee http://www.springframework.org/schema/jee/spring-jee-4.0.xsd
http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.0.xsd">
<!-- 自動掃描該包下面的bean文件 -->
<context:component-scan base-package="com.java.service"></context:component-scan>
<bean id="dataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource">
<!-- <property name="driverClassName" value="com.microsoft.sqlserver.jdbc.SQLServerDriver"/> -->
<property name="driverClassName" value="com.mysql.jdbc.Driver"/>
<property name="url" value="jdbc:mysql://localhost:3306/crm"/>
<property name="username" value="root"/>
<property name="password" value="root"/>
</bean>
<!-- 配置MyBatis的sqlSessionFactory -->
<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
<property name="dataSource" ref="dataSource"></property>
<property name="configLocation" value="classpath:mybatis-config.xml"></property>
<property name="mapperLocations" value="classpath:com/java/mappers/*.xml"></property>
</bean>
<!-- Mapper接口所在包名,Spring會自動查找其下的Mapper -->
<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
<property name="basePackage" value="com.java.dao"></property>
<property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"></property>
</bean>
<!-- 配置transactionManager事務管理器 -->
<bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<property name="dataSource" ref="dataSource"></property>
</bean>
<!-- 配置事物通知屬性 -->
<tx:advice id="txAdvice" transaction-manager="transactionManager">
<!-- 定義事物傳播特性 -->
<tx:attributes>
<tx:method name="insert" propagation="REQUIRED"/>
<tx:method name="update*" propagation="REQUIRED" />
<tx:method name="edit*" propagation="REQUIRED" />
<tx:method name="save*" propagation="REQUIRED" />
<tx:method name="add*" propagation="REQUIRED" />
<tx:method name="new*" propagation="REQUIRED" />
<tx:method name="set*" propagation="REQUIRED" />
<tx:method name="remove*" propagation="REQUIRED" />
<tx:method name="delete*" propagation="REQUIRED" />
<tx:method name="change*" propagation="REQUIRED" />
<tx:method name="check*" propagation="REQUIRED" />
<tx:method name="get*" propagation="REQUIRED" read-only="true" />
<tx:method name="find*" propagation="REQUIRED" read-only="true" />
<tx:method name="load*" propagation="REQUIRED" read-only="true" />
<tx:method name="*" propagation="REQUIRED" read-only="true" />
</tx:attributes>
</tx:advice>
<!-- 配置事物切面 -->
<aop:config>
<aop:pointcut expression="execution(* com.java.service.*.*(..))" id="serviceOperation"/>
<aop:advisor advice-ref="txAdvice" pointcut-ref="serviceOperation"/>
</aop:config>
</beans>
7、增刪改查具體實現
主界面很簡單:

詳細html實現:
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme() + "://"
+ request.getServerName() + ":" + request.getServerPort()
+ path + "/";
%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<base href="<%=basePath%>">
<title>My JSP 'userManage.jsp' starting page</title>
<link rel="stylesheet" type="text/css"
href="${pageContext.request.contextPath}/jquery-easyui-1.3.3/themes/default/easyui.css">
<link rel="stylesheet" type="text/css"
href="${pageContext.request.contextPath}/jquery-easyui-1.3.3/themes/icon.css">
<script type="text/javascript"
src="${pageContext.request.contextPath}/jquery-easyui-1.3.3/jquery.min.js"></script>
<script type="text/javascript"
src="${pageContext.request.contextPath}/jquery-easyui-1.3.3/jquery.easyui.min.js"></script>
<script type="text/javascript"
src="${pageContext.request.contextPath}/jquery-easyui-1.3.3/locale/easyui-lang-zh_CN.js"></script>
<script type="text/javascript">
var url;
function searchUser() {
$("#dg").datagrid('load', {
"userName" : $("#s_userName").val()
});
}
function openUserAddDialog() {
$("#dlg").dialog("open").dialog("setTitle", "添加用戶信息");
url = "${pageContext.request.contextPath}/user/save.do";
}
function openUserModifyDialog() {
var selectedRows = $("#dg").datagrid("getSelections");
if (selectedRows.length != 1) {
$.messager.alert("系統提示", "請選擇一條要編輯的數據!");
return;
}
var row = selectedRows[0];
$("#dlg").dialog("open").dialog("setTitle", "編輯用戶信息");
$("#fm").form("load", row);
url = "${pageContext.request.contextPath}/user/save.do?id=" + row.id;
}
function saveUser() {
$("#fm").form("submit", {
url : url,
onSubmit : function() {
if ($("#roleName").combobox("getValue") == "") {
$.messager.alert("系統提示", "請選擇用戶角色!");
return false;
}
return $(this).form("validate");
},
success : function(result) {
var result = eval('(' + result + ')');
if (result.success) {
$.messager.alert("系統提示", "保存成功!");
resetValue();
$("#dlg").dialog("close");
$("#dg").datagrid("reload");
} else {
$.messager.alert("系統提示", "保存失敗!");
return;
}
}
});
}
function resetValue() {
$("#userName").val("");
$("#password").val("");
$("#trueName").val("");
$("#email").val("");
$("#phone").val("");
$("#roleName").combobox("setValue", "");
}
function closeUserDialog() {
$("#dlg").dialog("close");
resetValue();
}
function deleteUser() {
var selectedRows = $("#dg").datagrid("getSelections");
if (selectedRows.length == 0) {
$.messager.alert("系統提示", "請選擇要刪除的數據!");
return;
}
var strIds = [];
for ( var i = 0; i < selectedRows.length; i++) {
strIds.push(selectedRows[i].id);
}
var ids = strIds.join(",");
$.messager.confirm("系統提示", "您確定要刪除這<font color=red>"
+ selectedRows.length + "</font>條數據嗎?", function(r) {
if (r) {
$.post("${pageContext.request.contextPath}/user/delete.do", {
ids : ids
}, function(result) {
if (result.success) {
$.messager.alert("系統提示", "數據已成功刪除!");
$("#dg").datagrid("reload");
} else {
$.messager.alert("系統提示", "數據刪除失敗,請聯系系統管理員!");
}
}, "json");
}
});
}
</script>
</head>
<body style="margin: 1px">
<table id="dg" title="用戶管理" class="easyui-datagrid" fitColumns="true"
pagination="true" rownumbers="true"
url="${pageContext.request.contextPath}/user/list.do" fit="true"
toolbar="#tb">
<thead>
<tr>
<th field="cb" checkbox="true" align="center"></th>
<th field="id" width="50" align="center">編號</th>
<th field="userName" width="50" align="center">用戶名</th>
<th field="password" width="50" align="center">密碼</th>
<th field="trueName" width="50" align="center">真實姓名</th>
<th field="email" width="50" align="center">郵件</th>
<th field="phone" width="50" align="center">聯系電話</th>
<th field="roleName" width="50" align="center">角色</th>
</tr>
</thead>
</table>
<div id="tb">
<a href="javascript:openUserAddDialog()" class="easyui-linkbutton"
iconCls="icon-add" plain="true">添加</a> <a
href="javascript:openUserModifyDialog()" class="easyui-linkbutton"
iconCls="icon-edit" plain="true">修改</a> <a
href="javascript:deleteUser()" class="easyui-linkbutton"
iconCls="icon-remove" plain="true">刪除</a>
<div>
用戶名: <input type="text" id="s_userName" size="20"
onkeydown="if(event.keyCode == 13)searchUser()" /> <a
href="javascript:searchUser()" class="easyui-linkbutton"
iconCls="icon-search" plain="true">查詢</a>
</div>
<div id="dlg-buttons">
<a href="javascript:saveUser()" class="easyui-linkbutton"
iconCls="icon-ok">保存</a> <a href="javascript:closeUserDialog()"
class="easyui-linkbutton" iconCls="icon-cancel">關閉</a>
</div>
<div id="dlg" class="easyui-dialog"
style="width: 730px;height:280px;padding:10px 10px;" closed="true"
buttons="#dlg-buttons">
<form method="post" id="fm">
<table cellspacing="8px;">
<tr>
<td>用戶名:</td>
<td><input type="text" id="userName" name="userName"
class="easyui-validatebox" required="true" /> <span
style="color: red">*</span>
</td>
<td> </td>
<td>密碼:</td>
<td><input type="password" id="password" name="password"
class="easyui-validatebox" required="true" /> <span
style="color: red">*</span>
</td>
</tr>
<tr>
<td>真實姓名:</td>
<td><input type="text" id="trueName" name="trueName"
class="easyui-validatebox" required="true" /> <span
style="color: red">*</span>
</td>
<td> </td>
<td>郵箱:</td>
<td><input type="text" id="email" name="email"
validType="email" class="easyui-validatebox" required="true" /> <span
style="color: red">*</span>
</td>
</tr>
<tr>
<td>聯系電話:</td>
<td><input type="text" id="phone" name="phone"
class="easyui-validatebox" required="true" /> <span
style="color: red">*</span>
</td>
<td> </td>
<td>用戶角色:</td>
<td><select name="roleName" class="easyui-combobox"
id="roleName" style="width: 154px;" editable="false"
panelHeight="auto">
<option value="">請選擇角色</option>
<option value="系統管理員">系統管理員</option>
<option value="銷售主管">銷售主管</option>
<option value="客戶經理">客戶經理</option>
<option value="高管">高管</option>
</select> <span style="color: red">*</span>
</td>
</tr>
</table>
</form>
</div>
</body>
</html>
再來看看目錄結構:

UserController:
package com.java.controller;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import javax.annotation.Resource;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import net.sf.json.JSONArray;
import net.sf.json.JSONObject;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import com.java.entity.PageBean;
import com.java.entity.User;
import com.java.service.UserService;
import com.java.util.ResponseUtil;
import com.java.util.StringUtil;
import com.sun.mail.iap.Response;
/**
* 用戶Controller層
* @author Administrator
*
*/
@Controller
@RequestMapping("/user")
public class UserController {
@Resource
private UserService userService;
/**
* 刪除用戶
* @param ids
* @param res
* @return
* @throws Exception
*/
@RequestMapping("/delete")
public String delete(@RequestParam(value="ids") String ids,HttpServletResponse res) throws Exception{
String[] idStr = ids.split(",");
JSONObject jsonObject = new JSONObject();
for (String id : idStr) {
userService.delete(Integer.parseInt(id));
}
jsonObject.put("success", true);
ResponseUtil.write(res, jsonObject);
return null;
}
/**
* 添加或者修改
* @param user
* @param res
* @return
* @throws Exception
*/
@RequestMapping("/save")
public String save(User user,HttpServletResponse res) throws Exception{
//操作記錄條數,初始化為0
int resultTotal = 0;
if (user.getId() == null) {
resultTotal = userService.add(user);
}else{
resultTotal = userService.update(user);
}
JSONObject jsonObject = new JSONObject();
if(resultTotal > 0){ //說明修改或添加成功
jsonObject.put("success", true);
}else{
jsonObject.put("success", false);
}
ResponseUtil.write(res, jsonObject);
return null;
}
/**
* 用戶登錄
* @param user
* @param request
* @return
* @throws Exception
*/
@RequestMapping("/login")
public String login(User user, HttpServletRequest request) throws Exception{
User resultUser = userService.login(user);
if (resultUser == null) {
request.setAttribute("user", resultUser);
request.setAttribute("errorMsg", "用戶名或密碼錯誤");
return "login";
}else {
HttpSession session = request.getSession();
session.setAttribute("currentUser", resultUser);
return "redirect:/main.jsp";
}
}
/**
* 用戶分頁查詢
* @param page
* @param rows
* @param s_user
* @param res
* @return
* @throws Exception
*/
@RequestMapping("/list")
public String list(@RequestParam(value="page",required=false) String page,@RequestParam(value="rows",required=false) String rows,User s_user,HttpServletResponse res) throws Exception{
PageBean pageBean=new PageBean(Integer.parseInt(page),Integer.parseInt(rows));
Map<String,Object> map=new HashMap<String,Object>();
map.put("userName", StringUtil.formatLike(s_user.getUserName()));
map.put("start", pageBean.getStart());
map.put("size", pageBean.getPageSize());
List<User> userList=userService.find(map);
Long total=userService.getTotal(map);
JSONObject result=new JSONObject();
JSONArray jsonArray=JSONArray.fromObject(userList);
result.put("rows", jsonArray);
result.put("total", total);
ResponseUtil.write(res, result);
return null;
}
}
UserDao:
package com.java.dao;
import java.util.List;
import java.util.Map;
import com.java.entity.User;
/**
* 用戶DAO接口
*
* @author Administrator
*
*/
public interface UserDao {
/**
* 用戶登錄
* @param user
* @return
*/
public User login(User user);
/**
* 用戶查詢
* @param map
* @return用戶集合
*/
public List<User> find(Map<String, Object> map);
/**
* 獲取總記錄數
* @param map
* @return獲取的total數
*/
public Long getTotal(Map<String, Object> map);
/**
* 修改用戶
* @param user
* @return影響的記錄數
*/
public int update(User user);
/**
* 添加用戶
* @param user
* @return影響的記錄數
*/
public int add(User user);
/**
* 刪除用戶
* @param id
* @return
*/
public int delete(Integer id);
}
PageBean,用來分頁的一個工具類:
package com.java.entity;
/**
* 分頁Model類
* @author
*
*/
public class PageBean {
private int page; // 第幾頁
private int pageSize; // 每頁記錄數
private int start; // 起始頁
public PageBean(int page, int pageSize) {
super();
this.page = page;
this.pageSize = pageSize;
}
public int getPage() {
return page;
}
public void setPage(int page) {
this.page = page;
}
public int getPageSize() {
return pageSize;
}
public void setPageSize(int pageSize) {
this.pageSize = pageSize;
}
public int getStart() {
return (page-1)*pageSize;
}
}
User,用戶實體類:
package com.java.entity;
/**
* 用戶實體
* @author Administrator
*
*/
public class User {
private Integer id;
private String userName;
private String password;
private String trueName;
private String email;
private String phone;
private String roleName; //角色名稱:系統管理員、銷售主管、客戶經理、高管
public Integer getId() {
return id;
}
public void setId(Integer id) {
this.id = id;
}
public String getUserName() {
return userName;
}
public void setUserName(String userName) {
this.userName = userName;
}
public String getPassword() {
return password;
}
public void setPassword(String password) {
this.password = password;
}
public String getTrueName() {
return trueName;
}
public void setTrueName(String trueName) {
this.trueName = trueName;
}
public String getEmail() {
return email;
}
public void setEmail(String email) {
this.email = email;
}
public String getPhone() {
return phone;
}
public void setPhone(String phone) {
this.phone = phone;
}
public String getRoleName() {
return roleName;
}
public void setRoleName(String roleName) {
this.roleName = roleName;
}
}
UserService:
package com.java.service;
import java.util.List;
import java.util.Map;
import com.java.entity.User;
/**
* UserService接口
* @author Administrator
*
*/
public interface UserService {
/**
* 用戶登錄
* @param user
* @return
*/
public User login(User user);
/**
* 用戶查詢
* @param map
* @return
*/
public List<User> find(Map<String, Object> map);
/**
* 獲取總記錄數
* @param map
* @return
*/
public Long getTotal(Map<String, Object> map);
/**
* 修改用戶
* @param user
* @return影響的記錄數
*/
public int update(User user);
/**
* 添加用戶
* @param user
* @return影響的記錄數
*/
public int add(User user);
/**
* 刪除用戶
* @param id
* @return
*/
public int delete(Integer id);
}
UserServiceImpl:
package com.java.service.impl;
import java.util.List;
import java.util.Map;
import javax.annotation.Resource;
import org.springframework.stereotype.Service;
import com.java.dao.UserDao;
import com.java.entity.User;
import com.java.service.UserService;
/**
* UserService實現類
* @author Administrator
*
*/
@Service("userService")
public class UserServiceImpl implements UserService{
@Resource
private UserDao userDao;
@Override
public User login(User user) {
return userDao.login(user);
}
@Override
public List<User> find(Map<String, Object> map) {
return userDao.find(map);
}
@Override
public Long getTotal(Map<String, Object> map) {
return userDao.getTotal(map);
}
@Override
public int update(User user) {
return userDao.update(user);
}
@Override
public int add(User user) {
return userDao.add(user);
}
@Override
public int delete(Integer id) {
return userDao.delete(id);
}
}
ResponseUtil工具類,主要用於返回json數據:
package com.java.util;
import java.io.PrintWriter;
import javax.servlet.http.HttpServletResponse;
public class ResponseUtil {
public static void write(HttpServletResponse response,Object object)throws Exception{
response.setContentType("text/html;charset=utf-8");
PrintWriter out=response.getWriter();
out.println(object);
out.flush();
out.close();
}
}
StringUtil,字符串工具類:
package com.java.util;
/**
* 字符串工具類
* @author
*
*/
public class StringUtil {
/**
* 判斷是否是空
* @param str
* @return
*/
public static boolean isEmpty(String str){
if(str==null||"".equals(str.trim())){
return true;
}else{
return false;
}
}
/**
* 判斷是否不是空
* @param str
* @return
*/
public static boolean isNotEmpty(String str){
if((str!=null)&&!"".equals(str.trim())){
return true;
}else{
return false;
}
}
/**
* 格式化模糊查詢
* @param str
* @return
*/
public static String formatLike(String str){
if(isNotEmpty(str)){
return "%"+str+"%";
}else{
return null;
}
}
}
UserMapper.xml,mybatis所謂的動態sql語句,全部封裝在這里:
<?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.java.dao.UserDao">
<!-- 先定義一個Interface,UserMapper,然后Mapper文件的namespace指向的就是這個Interface, UserInterface里定義的方法和UserMapper.xml文件中的一樣,
然后代碼里直接使用接口 -->
<resultMap type="User" id="UserResult">
<result property="id" column="id" />
<result property="userName" column="userName" />
<result property="password" column="password" />
<result property="trueName" column="trueName" />
<result property="email" column="email" />
<result property="phone" column="phone" />
<result property="roleName" column="roleName" />
</resultMap>
<!-- 所謂的動態SQL語句 -->
<select id="login" parameterType="User" resultMap="UserResult">
select * from userInfo where userName = #{userName} and password = #{password} and roleName = #{roleName}
</select>
<!-- 用戶查詢 -->
<select id="find" parameterType="Map" resultMap="UserResult">
select * from userInfo
<where>
<if test="userName!=null and userName!='' ">
and userName like #{userName}
</if>
</where>
<if test="start!=null and size!=null">
limit #{start},#{size}
</if>
</select>
<select id="getTotal" parameterType="Map" resultType="Long">
select count(*) from userInfo
<where>
<if test="userName!=null and userName!='' ">
and userName like #{userName}
</if>
</where>
</select>
<!-- 用戶添加 -->
<insert id="add" parameterType="User">
insert into userInfo values(null,#{userName},#{password},#{trueName},#{email},#{phone},#{roleName})
</insert>
<!-- 用戶修改 -->
<update id="update" parameterType="User">
update userInfo
<set>
<if test="userName != null and userName != ''">userName = #{userName},</if>
<if test="password != null and password != ''">password = #{password},</if>
<if test="trueName != null and trueName != ''">trueName = #{trueName},</if>
<if test="email != null and email != ''">email = #{email},</if>
<if test="phone != null and phone != ''">phone = #{phone},</if>
<if test="roleName != null and roleName != ''">roleName = #{roleName},</if>
</set>
where id = #{id}
</update>
<!-- 用戶刪除 -->
<delete id="delete" parameterType="Integer">
delete from userInfo where id = #{id}
</delete>
</mapper>
最后是數據表結構:




相比hibernate,mybatis輕量級很多,但是新手最容易也最難搞定的往往是環境搭建部分,一不留神就是各種jar包沖突,真叫人抓狂啊啊,以后還得留意呵。

