添加新闻分类的增删改查

src/controller/category.js

@@ -0,0 +1,85 @@
+const Base = require('./base.js');
+
+module.exports = class extends Base {
+  async addAction() {
+    const name = this.post('name');
+    // eslint-disable-next-line camelcase
+    const news_id = this.post('newsId');
+    const remark = this.post('remark');
+
+    const category = {name, news_id, remark};
+
+    const categoryModel = this.model('category');
+    const insertId = await categoryModel.addCategory(category);
+
+    if (insertId) {
+      this.success({message: '新闻分类添加成功！', id: insertId});
+    } else {
+      this.fail(500, '新闻分类添加失败！');
+    }
+  }
+
+  async editAction() {
+    const id = this.post('id');
+    const name = this.post('name');
+    // eslint-disable-next-line camelcase
+    const news_id = this.post('newsId');
+    const remark = this.post('remark');
+
+    const category = {id, name, news_id, remark};
+    const categoryModel = this.model('category');
+    const affectedRows = await categoryModel.editCategoryById(id, category);
+    if (affectedRows) {
+      this.success({message: '新闻分类修改成功！', affectedRows: affectedRows});
+    } else {
+      this.fail(500, '新闻分类修改失败！');
+    }
+  }
+
+  async deleteAction() {
+    const id = this.post('id');
+
+    const categoryModel = this.model('category');
+    const affectedRows = await categoryModel.deleteCategoryById(id);
+    if (affectedRows) {
+      this.success({message: '新闻分类删除成功！', affectedRows: affectedRows});
+    } else {
+      this.fail(500, '新闻分类删除失败！');
+    }
+  }
+
+  async getCategoryByIdAction() {
+    const id = this.post('id');
+    const categoryModel = this.model('category');
+    const category = await categoryModel.getCategoryById(id);
+
+    if (!think.isEmpty(category)) {
+      this.success(category);
+    } else {
+      this.success({message: '未找到该分类！'});
+    }
+  }
+
+  async getAllCategoriesAction() {
+    const categoryModel = this.model('category');
+    const categories = await categoryModel.getAllCategories();
+
+    if (!think.isEmpty(categories)) {
+      this.success(categories);
+    } else {
+      this.success({message: '当前没有分类！'});
+    }
+  }
+
+  async getCategoriesByConditionAction() {
+    const condition = this.post();
+    const categoryModel = this.model('category');
+    const categories = await categoryModel.getCategoriesByCondition(condition);
+
+    if (!think.isEmpty(categories)) {
+      this.success(categories);
+    } else {
+      this.success({message: '当前条件没有分类！'});
+    }
+  }
+};

src/model/base.js

@@ -0,0 +1,8 @@
+module.exports = class extends think.Model {
+  // 公共方法示例
+  getDataById(id) {
+    return this.where({ id }).find();
+  }
+
+  // 其他公共方法和属性可以在这里定义
+};

src/model/category.js

@@ -0,0 +1,32 @@
+const Base = require('./base.js');
+
+module.exports = class extends Base {
+  addCategory(data) {
+    // 插入数据并返回插入的主键
+    return this.add(data);
+  }
+
+  editCategoryById(id, data) {
+    return this.where({id}).update(data);
+  }
+
+  deleteCategoryById(id) {
+    const del = 1;
+    const data = {del};
+    return this.where({id}).update(data);
+  }
+
+  getCategoryById(id) {
+    const del = 0;
+    return this.where({id, del}).find();
+  }
+
+  getAllCategories() {
+    const del = 0;
+    return this.where({del}).select();
+  }
+
+  getCategoriesByCondition(condition) {
+    return this.where(condition).select();
+  }
+};