优化代码 增加必要注释

src/main/java/com/yingjun/ssm/dao/UserDao.java

 package com.yingjun.ssm.dao;
 import com.yingjun.ssm.entity.User;
 import java.util.List;
+/**
+ * @author liyunfeng
+ * 普通用户
+ */
 public interface UserDao {
 	/**
 	 * 获得TUser数据的总行数

src/main/java/com/yingjun/ssm/entity/User.java

 package com.yingjun.ssm.entity;
+/**
+ * @author liyunfeng
+ * 普通用户
+ */
 public class User {
-    private Long id;//主键id
-    private String password;//密码
-    private String name;//姓名
-    private String email;//手机号码
+    /**
+     * 主键id
+     */
+    private Long id;
+    /**
+     * 密码
+     */
+    private String password;
+    /**
+     * 姓名
+     */
+    private String name;
+    /**
+     * 电子邮箱
+     */
+    private String email;
     public User() {
         super();
     }
@@ -46,4 +62,13 @@ public class User {
         this.email = email;
     }
 
+    @Override
+    public String toString() {
+        return "User{" +
+                "id=" + id +
+                ", password='" + password + '\'' +
+                ", name='" + name + '\'' +
+                ", email='" + email + '\'' +
+                '}';
+    }
 }

src/main/java/com/yingjun/ssm/service/UserService.java

 package com.yingjun.ssm.service;
 import java.util.List;
 import com.yingjun.ssm.entity.User;
+/**
+ * @author liyunfeng
+ * 增加必要注释
+ */
 public interface UserService {
 	/**
 	 * 获得TUser数据的总行数

src/main/java/com/yingjun/ssm/service/impl/UserServiceImpl.java

@@ -5,6 +5,11 @@ import com.yingjun.ssm.entity.User;
 import com.yingjun.ssm.service.UserService;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
+
+/**
+ * @author liyunfeng
+ * 普通用户
+ */
 @Service
 public class UserServiceImpl implements UserService {
     @Autowired