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RSS订阅原创 Springboot学习日记七
Springboot学习日记七CommentServiceImpl.java@Servicepublic class CommentServiceImpl implements ICommentService { @Autowired private CommentDao commentDao; @Override public void save(Comment comment) { if(comment.getParentComment().ge
2020-07-15 22:29:49
104
原创 Springboot学习日记六
Springboot学习日记六完善之前Blog的页面，同时增加登录拦截功能LoginInterceptorpublic class LoginInterceptor extends HandlerInterceptorAdapter { @Override public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception
2020-07-14 21:22:16
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原创 Springboot学习日记五
Springboot学习日记五完善之前的博客页面，增加了博客的搜索功能，同时增加了首页Controller@Controllerpublic class IndexController { @Autowired private IBlogService blogService; @Autowired private ITypeService typeService; @Autowired private ITagService tagServic
2020-07-13 15:53:48
100
原创 Springboot学习日记四
Springboot学习日记三在原来的页面上，完善博客页面，实现增删改查BlogController@Controller@RequestMapping("admin/blogs")public class BlogController { @Autowired private IBlogService blogService; @Autowired private ITypeService typeService; @Autowired pr
2020-07-10 14:25:21
93
原创 Springboot学习日记三
Springboot学习日记三在原来的页面上增加标签和博客页面，完成标签的增删改查和博客的删除Controller@Controller@RequestMapping("admin/tags")public class TagController { @Autowired private ITagService tagService; @GetMapping public String list(@PageableDefault(size = 5,sort ={"
2020-07-09 14:01:45
102
原创 Springboot学习日记二
Springboot学习日记二，增删改查TypeController@Controller@RequestMapping("/admin")public class TypeController { @Autowired private ITypeService typeService; @GetMapping("/types") public String list(@PageableDefault(size = 5,sort ={"id"},direction =
2020-07-08 18:58:19
102
原创 Springboot学习日记一
Springboot学习日记一，登录注销+密码加密application.ymlserver: port: 8081spring: datasource: driver-class-name: com.mysql.jdbc.Driver url: jdbc:mysql://localhost:3306/aaa?useUnicode=true&characterEncoding=utf-8&serverTimezone=UTC username: root
2020-07-07 13:15:49
139
原创 SSM学习日记五
SSM学习日记五区分了登录用户的角色，管理员还是普通用户。RoleMapper.xml<mapper namespace="com.zhongruan.dao.RoleDao" > <select id="findRoleIdByUserId" parameterType="int" resultType="int"> select roleId from user_role where userId=#{userId} </select>
2020-07-06 18:46:08
183
原创 SSM学习日记四，模糊查找+批量删除
SSM学习日记四，模糊查找+批量删除继之前，加入了模糊查找和批量删除功能Mapper.xml <select id="getTotalCount" resultType="int"> select count(*) from db_user <if test="username!=null and username!=''"> where username like concat("%",#{username},"%")
2020-07-03 20:11:38
77
原创 SSM学习日记三，分页+过滤器
SSM学习日记三，分页+过滤器继上次的学习，加入了分页功能和用户登录过滤器改写了之前的findAll方法，新增了实体类PageInfoController@RequestMapping("/findAll.do") public ModelAndView findAll(@RequestParam(defaultValue = "1") int currentPage){ PageInfo<User> pageInfo = userService.findAll(
2020-07-02 19:57:44
187
原创 SSM学习日记二，实现增删改查
SSM学习日记二，实现增删改查在之前的基础上，实现数据库的增删改查UserMapper.xml<mapper namespace="com.zhongruan.dao.UserDao" > <select id="findUserByUserName" parameterType="String" resultType="user"> select * from db_user where username=#{username} </sele
2020-07-01 17:06:59
115
原创 SSM学习日记一，实现登录查询功能
SSM初学，实现登录查询功能UserMapper.xml<mapper namespace="com.zhongruan.dao.UserDao" > <select id="findUserByUserName" parameterType="String" resultType="user"> select * from db_user where username=#{username} </select> <selec
2020-06-30 18:23:25
168
原创 JAVA Servlet 网页登录
JAVA Servlet 网页登录使用servlet实现网页的登录功能package bean;public class User { private int id; private String username; private String password; public int getId() { return id; } public void setId(int id) { this.id = id;
2020-06-29 13:48:08
114
原创 JAVA数据库增删改查
JAVA数据库增删改查连接mysql，并进行增删改查操作package util;import java.sql.*;public class DButil { public static Connection connection() throws ClassNotFoundException, SQLException { Class.forName("com.mysql.jdbc.Driver"); Connection connection = Dr
2020-06-28 13:42:54
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原创 JAVA斗地主
JAVA斗地主实现：扑克随机发给三名玩家，并按默认大小的牌序显示。public class Poke { private String huase; private String shuzi; private int key; //排列序号 public String getHuase() { return huase; } public void setHuase(String huase) { this.huase
2020-06-25 16:20:58
235
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