[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"article-public-LnAAYydZ":3,"public-project-articles-LnAAYydZ":17},{"id":4,"uuid":5,"project_id":6,"title":7,"content":8,"type":9,"status":10,"public_enabled":10,"views":11,"sort":12,"created_at":13,"updated_at":14,"project_title":15,"project_slug":16},1017,"LnAAYydZ",52,"05. 带你开发商品分类管理功能","## SQL\n\n```sql\nCREATE TABLE `category` (\n  `id` int NOT NULL AUTO_INCREMENT COMMENT '主键ID',\n  `name` varchar(255) COLLATE utf8mb4_unicode_ci DEFAULT NULL COMMENT '名称',\n  PRIMARY KEY (`id`)\n) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci COMMENT='商品分类';\n```\n\n## 青哥哥开源但是拷贝代码的工具类\n\n[https:\u002F\u002Fgitee.com\u002Fxqnode\u002FCopyUtils\u002Fblob\u002Fmaster\u002FCopyUtils.java](https:\u002F\u002Fgitee.com\u002Fxqnode\u002FCopyUtils\u002Fblob\u002Fmaster\u002FCopyUtils.java)\n\n## 青哥哥开源的在线代码生成器\n\n[http:\u002F\u002F124.223.63.127:9999\u002F](http:\u002F\u002F124.223.63.127:9999\u002F)\n\n## 后端接口\n\nCategory.java\n\n```java\npackage com.example.entity;\n\npublic class Category {\n\n    \u002F**主键ID *\u002F\n    private Integer id;\n    \u002F**名称 *\u002F\n    private String name;\n\n    public Integer getId() {\n        return id;\n    }\n\n    public void setId(Integer id) {\n        this.id = id;\n    }\n\n    public String getName() {\n        return name;\n    }\n\n    public void setName(String name) {\n        this.name = name;\n    }\n}\n\n```\n\n\n\nCategoryMapper.xml\n\n```xml\n\u003C?xml version=\"1.0\" encoding=\"UTF-8\"?>\n\u003C!DOCTYPE mapper\n        PUBLIC \"-\u002F\u002Fmybatis.org\u002F\u002FDTD Mapper 3.0\u002F\u002FEN\"\n        \"http:\u002F\u002Fmybatis.org\u002Fdtd\u002Fmybatis-3-mapper.dtd\">\n\u003Cmapper namespace=\"com.example.mapper.CategoryMapper\">\n\n    \u003Cselect id=\"selectAll\" resultType=\"com.example.entity.Category\">\n        select * from `category`\n        \u003Cwhere>\n            \u003Cif test=\"name != null\"> and name like concat('%', #{name}, '%')\u003C\u002Fif>\n        \u003C\u002Fwhere>\n        order by id desc\n    \u003C\u002Fselect>\n\n    \u003Cselect id=\"selectById\" resultType=\"com.example.entity.Category\">\n        select * from `category` where id = #{id}\n    \u003C\u002Fselect>\n\n    \u003Cdelete id=\"deleteById\">\n        delete from `category` where id = #{id}\n    \u003C\u002Fdelete>\n\n    \u003Cinsert id=\"insert\" parameterType=\"com.example.entity.Category\" useGeneratedKeys=\"true\">\n        insert into `category`\n        \u003Ctrim prefix=\"(\" suffix=\")\" suffixOverrides=\",\">\n            \u003Cif test=\"id != null\">id,\u003C\u002Fif>\n            \u003Cif test=\"name != null\">name,\u003C\u002Fif>\n        \u003C\u002Ftrim>\n        values\n        \u003Ctrim prefix=\"(\" suffix=\")\" suffixOverrides=\",\">\n            \u003Cif test=\"id != null\">#{id},\u003C\u002Fif>\n            \u003Cif test=\"name != null\">#{name},\u003C\u002Fif>\n        \u003C\u002Ftrim>\n    \u003C\u002Finsert>\n\n    \u003Cupdate id=\"updateById\" parameterType=\"com.example.entity.Category\">\n        update `category`\n        \u003Cset>\n            \u003Cif test=\"id != null\">\n                id = #{id},\n            \u003C\u002Fif>\n            \u003Cif test=\"name != null\">\n                name = #{name},\n            \u003C\u002Fif>\n        \u003C\u002Fset>\n        where id = #{id}\n    \u003C\u002Fupdate>\n\n\u003C\u002Fmapper>\n```\n\n## 前端页面 Category.vue\n\n```vue\n\u003Ctemplate>\n  \u003Cdiv>\n\n    \u003Cdiv class=\"card\" style=\"margin-bottom: 5px;\">\n      \u003Cel-input v-model=\"data.name\" style=\"width: 300px; margin-right: 10px\" placeholder=\"请输入名称查询\">\u003C\u002Fel-input>\n      \u003Cel-button type=\"primary\" @click=\"load\">查询\u003C\u002Fel-button>\n      \u003Cel-button type=\"info\" style=\"margin: 0 10px\" @click=\"reset\">重置\u003C\u002Fel-button>\n    \u003C\u002Fdiv>\n\n    \u003Cdiv class=\"card\" style=\"margin-bottom: 5px\">\n      \u003Cdiv style=\"margin-bottom: 10px\">\n        \u003Cel-button type=\"primary\" @click=\"handleAdd\">新增\u003C\u002Fel-button>\n      \u003C\u002Fdiv>\n      \u003Cel-table :data=\"data.tableData\" stripe>\n        \u003Cel-table-column label=\"名称\" prop=\"name\">\u003C\u002Fel-table-column>\n        \u003Cel-table-column label=\"操作\" align=\"center\" width=\"160\">\n          \u003Ctemplate #default=\"scope\">\n            \u003Cel-button type=\"primary\" @click=\"handleEdit(scope.row)\">编辑\u003C\u002Fel-button>\n            \u003Cel-button type=\"danger\" @click=\"handleDelete(scope.row.id)\">删除\u003C\u002Fel-button>\n          \u003C\u002Ftemplate>\n        \u003C\u002Fel-table-column>\n      \u003C\u002Fel-table>\n    \u003C\u002Fdiv>\n\n    \u003Cdiv class=\"card\">\n      \u003Cel-pagination @current-change=\"load\" background layout=\"total, prev, pager, next\" v-model:page-size=\"data.pageSize\" v-model:current-page=\"data.pageNum\" :total=\"data.total\"\u002F>\n    \u003C\u002Fdiv>\n\n    \u003Cel-dialog title=\"商品分类信息\" width=\"30%\" v-model=\"data.formVisible\" :close-on-click-modal=\"false\" destroy-on-close>\n      \u003Cel-form ref=\"formRef\" :model=\"data.form\" :rules=\"data.rules\" label-width=\"80px\" style=\"padding-right: 30px; padding-top: 20px\">\n        \u003Cel-form-item label=\"名称\" prop=\"name\">\n          \u003Cel-input v-model=\"data.form.name\" autocomplete=\"off\" \u002F>\n        \u003C\u002Fel-form-item>\n      \u003C\u002Fel-form>\n      \u003Ctemplate #footer>\n      \u003Cspan class=\"dialog-footer\">\n        \u003Cel-button @click=\"data.formVisible = false\">取 消\u003C\u002Fel-button>\n        \u003Cel-button type=\"primary\" @click=\"save\">保 存\u003C\u002Fel-button>\n      \u003C\u002Fspan>\n      \u003C\u002Ftemplate>\n    \u003C\u002Fel-dialog>\n\n  \u003C\u002Fdiv>\n\u003C\u002Ftemplate>\n\n\u003Cscript setup>\nimport request from \"@\u002Futils\u002Frequest\";\nimport {reactive, ref} from \"vue\";\nimport {ElMessageBox, ElMessage} from \"element-plus\";\n\nconst formRef = ref()\nconst data = reactive({\n  pageNum: 1,\n  pageSize: 10,\n  total: 0,\n  formVisible: false,\n  form: {},\n  tableData: [],\n  name: null,\n  rules: {\n    name: [\n      { required: true, message: '请输入名称', trigger: 'blur' },\n    ]\n  }\n})\n\n\u002F\u002F 分页查询\nconst load = () => {\n  request.get('\u002Fcategory\u002FselectPage', {\n    params: {\n      pageNum: data.pageNum,\n      pageSize: data.pageSize,\n      name: data.name\n    }\n  }).then(res => {\n    data.tableData = res.data?.list\n    data.total = res.data?.total\n  })\n}\nload()\n\n\u002F\u002F 新增\nconst handleAdd = () => {\n  data.form = {}\n  data.formVisible = true\n}\n\n\u002F\u002F 编辑\nconst handleEdit = (row) => {\n  data.form = JSON.parse(JSON.stringify(row))\n  data.formVisible = true\n}\n\n\u002F\u002F 新增保存\nconst add = () => {\n  request.post('\u002Fcategory\u002Fadd', data.form).then(res => {\n    if (res.code === '200') {\n      load()\n      ElMessage.success('操作成功')\n      data.formVisible = false\n    } else {\n      ElMessage.error(res.msg)\n    }\n  })\n}\n\n\u002F\u002F 编辑保存\nconst update = () => {\n  request.put('\u002Fcategory\u002Fupdate', data.form).then(res => {\n    if (res.code === '200') {\n      load()\n      ElMessage.success('操作成功')\n      data.formVisible = false\n    } else {\n      ElMessage.error(res.msg)\n    }\n  })\n}\n\n\u002F\u002F 弹窗保存\nconst save = () => {\n  formRef.value.validate(valid => {\n    if (valid) {\n      \u002F\u002F data.form有id就是更新，没有就是新增\n      data.form.id ? update() : add()\n    }\n  })\n}\n\n\u002F\u002F 删除\nconst handleDelete = (id) => {\n  ElMessageBox.confirm('删除后数据无法恢复，您确定删除吗?', '删除确认', { type: 'warning' }).then(res => {\n    request.delete('\u002Fcategory\u002Fdelete\u002F' + id).then(res => {\n      if (res.code === '200') {\n        load()\n        ElMessage.success('操作成功')\n      } else {\n        ElMessage.error(res.msg)\n      }\n    })\n  }).catch(err => {})\n}\n\n\u002F\u002F 重置\nconst reset = () => {\n  data.name = null\n  load()\n}\n\u003C\u002Fscript>\n```\n\n","coding",1,5467,2012,"2025-11-24 17:30:23","2026-05-03 22:49:02","青哥带小白做毕设2026所有资料汇总","qingge-code-2026",{"project":18,"items":19},{"id":6,"title":15,"slug":16},[20,27,34,41,48,55,56,63,70,77,84,91,98,105,112,119,127,134],{"id":21,"uuid":22,"project_id":6,"title":23,"type":9,"status":10,"public_enabled":10,"views":24,"sort":25,"created_at":26,"updated_at":14,"project_title":15,"project_slug":16},993,"mgoFKmGT","00. 带小白做毕设课程介绍以及脚手架获取",32063,1966,"2026-03-29 19:37:39",{"id":28,"uuid":29,"project_id":6,"title":30,"type":9,"status":10,"public_enabled":10,"views":31,"sort":32,"created_at":33,"updated_at":14,"project_title":15,"project_slug":16},998,"1kCk1d2E","01. 导入并运行项目脚手架",14398,1974,"2025-11-11 16:24:50",{"id":35,"uuid":36,"project_id":6,"title":37,"type":9,"status":10,"public_enabled":10,"views":38,"sort":39,"created_at":40,"updated_at":14,"project_title":15,"project_slug":16},1003,"8ZlQ12IX","02. 带你开发一个基础的用户管理模块（上）",12150,1987,"2025-11-12 16:53:01",{"id":42,"uuid":43,"project_id":6,"title":44,"type":9,"status":10,"public_enabled":10,"views":45,"sort":46,"created_at":47,"updated_at":14,"project_title":15,"project_slug":16},1006,"6mmUNf9i","03. 带你开发一个基础的用户管理模块（下）",7782,1994,"2025-11-13 16:48:27",{"id":49,"uuid":50,"project_id":6,"title":51,"type":9,"status":10,"public_enabled":10,"views":52,"sort":53,"created_at":54,"updated_at":14,"project_title":15,"project_slug":16},1011,"3XNG04wA","04. 带你开发用户登录、注册、个人信息、修改密码功能",6474,2003,"2025-11-17 17:03:58",{"id":4,"uuid":5,"project_id":6,"title":7,"type":9,"status":10,"public_enabled":10,"views":11,"sort":12,"created_at":13,"updated_at":14,"project_title":15,"project_slug":16},{"id":57,"uuid":58,"project_id":6,"title":59,"type":9,"status":10,"public_enabled":10,"views":60,"sort":61,"created_at":62,"updated_at":14,"project_title":15,"project_slug":16},1018,"584qohhy","06. 开发商品信息管理功能",4836,2013,"2025-11-24 17:30:12",{"id":64,"uuid":65,"project_id":6,"title":66,"type":9,"status":10,"public_enabled":10,"views":67,"sort":68,"created_at":69,"updated_at":14,"project_title":15,"project_slug":16},1024,"scxsifCZ","07. 开发轮播图信息管理功能",3313,2021,"2025-11-24 17:29:58",{"id":71,"uuid":72,"project_id":6,"title":73,"type":9,"status":10,"public_enabled":10,"views":74,"sort":75,"created_at":76,"updated_at":14,"project_title":15,"project_slug":16},1041,"AjujV8Gq","08. 带你实现前台首页功能",4058,2039,"2025-11-24 17:31:31",{"id":78,"uuid":79,"project_id":6,"title":80,"type":9,"status":10,"public_enabled":10,"views":81,"sort":82,"created_at":83,"updated_at":14,"project_title":15,"project_slug":16},1045,"p6yD8ZxS","09. 带你实现商品搜索、商品分类检索功能",3005,2048,"2025-11-25 16:35:45",{"id":85,"uuid":86,"project_id":6,"title":87,"type":9,"status":10,"public_enabled":10,"views":88,"sort":89,"created_at":90,"updated_at":14,"project_title":15,"project_slug":16},1050,"7gHUek7z","10. 带你实现商品详情页功能",2622,2053,"2025-11-26 17:22:20",{"id":92,"uuid":93,"project_id":6,"title":94,"type":9,"status":10,"public_enabled":10,"views":95,"sort":96,"created_at":97,"updated_at":14,"project_title":15,"project_slug":16},1059,"aX7rviTw","11. 带你实现商品收藏功能",2667,2067,"2025-11-28 17:00:21",{"id":99,"uuid":100,"project_id":6,"title":101,"type":9,"status":10,"public_enabled":10,"views":102,"sort":103,"created_at":104,"updated_at":14,"project_title":15,"project_slug":16},1060,"xcmGXr9E","12. 带你开发用户模拟充值功能",2443,2068,"2026-02-02 14:24:37",{"id":106,"uuid":107,"project_id":6,"title":108,"type":9,"status":10,"public_enabled":10,"views":109,"sort":110,"created_at":111,"updated_at":14,"project_title":15,"project_slug":16},1065,"z8IN0tX8","13. 带你实现购物车功能",2461,2078,"2025-12-01 17:16:05",{"id":113,"uuid":114,"project_id":6,"title":115,"type":9,"status":10,"public_enabled":10,"views":116,"sort":117,"created_at":118,"updated_at":14,"project_title":15,"project_slug":16},1069,"NfBIfhVx","14. 带你实现商品下单功能",3131,2086,"2025-12-02 16:57:21",{"id":120,"uuid":121,"project_id":6,"title":122,"type":9,"status":10,"public_enabled":10,"views":123,"sort":124,"created_at":125,"updated_at":126,"project_title":15,"project_slug":16},1072,"PDQdczrn","14.1 带你实现订单配送功能",2772,2097,"2025-12-03 16:10:40","2026-05-07 15:36:12.649662+00",{"id":128,"uuid":129,"project_id":6,"title":130,"type":9,"status":10,"public_enabled":10,"views":131,"sort":132,"created_at":133,"updated_at":14,"project_title":15,"project_slug":16},1075,"RYH15Bfu","15. 带你实现订单评价功能",2507,2103,"2025-12-04 17:10:47",{"id":135,"uuid":136,"project_id":6,"title":137,"type":9,"status":10,"public_enabled":10,"views":138,"sort":139,"created_at":140,"updated_at":14,"project_title":15,"project_slug":16},1079,"iUdzrNPu","16. 带你实现后台数据统计功能",2991,2107,"2025-12-05 17:37:57"]