Java CRM系统用户登录功能实现代码实例

/**
 * 
 * @param userName
 * @param userPwd
 * @param roleName
 * 查询用户记录
 * @return
 */
User queryUser(@Param(\"userName\")String userName);
 
<!-- 查询用户 -->
<select id=\"queryUser\" resultMap=\"BaseResultMap\">
   select <include refid=\"Base_Column_List\"/>
    from t_user where user_name =#{userName} 
</select>

@Resource
private UserDao userDao;
 
 /**
 * 用户登录
 * @param userName
 * @param userPwd
 * @param roleName
 * @return
 */
@SuppressWarnings({ \"unchecked\", \"rawtypes\" })
public UserModel userLoginCheck(String userName,String userPwd){
 /**
   * 1.参数合法性校验
   * 2.查询用户 有效性校验
   * 3.密码校验
   * 4.返回用户模型信息
   */
 // 参数校验
  checkParam(userName,userPwd);
 // 执行查询
 
  User user=userDao.queryUser(userName);
 // 用户存在性校验
  AssertUtil.isTrue(null==user, \"该用户不存在!\"); 
  AssertUtil.isTrue(user.getIsValid()==0, \"给用户已注销!\");
 //密码校验
  AssertUtil.isTrue(!user.getUserPwd().equals(MD5Util.md5Method(userPwd)),\"密码不正确!\");
 // 构建用户信息模型
  UserModel userModel=buildUserModel(user);
 return userModel; 
}
 
/**
 * 登录参数校验
 * @param userName
 * @param userPwd
 * @param roleName
 */
private void checkParam(String userName, String userPwd, Integer roleId) {
  AssertUtil.isTrue(StringUtil.isNullOrEmpty(userName), \"用户名非空！\");
  AssertUtil.isTrue(StringUtil.isNullOrEmpty(userPwd), \"密码非空!\");
}
 
/**
 * 构建用户登录数据模型
 * @param user
 * @return
 */
private UserModel buildUserModel(User user) {
  UserModel userModel=new UserModel(); 
  userModel.setRoleName(user.getRoleName());
  userModel.setUserName(user.getUserName());
  userModel.setTrueName(user.getTrueName());
  String userIdStr=UserIDBase64.encoderUserID(user.getId());
  userModel.setUserIdStr(userIdStr);
 return userModel;
}

package com.shsxt.crm.controller;
 
import javax.annotation.Resource;
 
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;
import com.shsxt.base.BaseController;
import com.shsxt.base.ResultInfo;
import com.shsxt.base.exception.ParamException;
import com.shsxt.crm.model.UserModel;
import com.shsxt.crm.service.UserService;
 
@Controller
@RequestMapping(\"user\")
public class UserController extends BaseController {
 
  @Resource
private UserService userService;
@RequestMapping(\"userLogin\")
public @ResponseBody MessageModel userLogin(String userName,
    String userPwd){
  MessageModel resultInfo=null;
 try {
    UserModel userModel= userService.userLoginCheck(userName, userPwd);
    resultInfo=success();
    resultInfo.setResult(userModel);
 } catch (ParamsException e) {
    e.printStackTrace();
    resultInfo=failed(e.getMessage());
 } 
 return resultInfo;
} 
 
}

// 提交绑定事件
$(function(){
  $(\"#btnLogin\").click(function(){ 
 var userName=$(\"#userName\").val();
 var userPwd=$(\"#userPwd\").val();
 if(isEmpty(userName)){
 alert(\"用户名非空!\");
 return;
 }
 
 if(isEmpty(userPwd)){
 alert(\"密码非空!\");
 return;
 } 
 
 var param={};
    param.userName=userName;
    param.userPwd=userPwd; 
       $.ajax({
      type:\"post\",
      url:\"user/userLogin\",
      data:param,
      dataType:\"json\",
      success:function(data){
 if(data.resultCode==200){
 /**
           * 登录成功
           * 写入cookie
           */
          $.cookie(\"userName\",data.result.userName);
          $.cookie(\"trueName\",data.result.trueName);
          $.cookie(\"userIdStr\",data.result.userIdStr); 
 // 执行跳转
 window.location.href=\"main\" rel=\"external nofollow\" ;
 }else{
 alert(data.msg);
 }
 } 
 })
 })
})