提取公共方法，并添加分页查询

src/controller/category.js

@@ -10,7 +10,7 @@ module.exports = class extends Base {
     const category = {name, news_id, remark};
 
     const categoryModel = this.model('category');
-    const insertId = await categoryModel.addCategory(category);
+    const insertId = await categoryModel.addOne(category);
 
     if (insertId) {
       this.success({message: '新闻分类添加成功！', id: insertId});
@@ -28,7 +28,7 @@ module.exports = class extends Base {
 
     const category = {id, name, news_id, remark};
     const categoryModel = this.model('category');
-    const affectedRows = await categoryModel.editCategoryById(id, category);
+    const affectedRows = await categoryModel.editById(id, category);
     if (affectedRows) {
       this.success({message: '新闻分类修改成功！', affectedRows: affectedRows});
     } else {
@@ -40,7 +40,7 @@ module.exports = class extends Base {
     const id = this.post('id');
 
     const categoryModel = this.model('category');
-    const affectedRows = await categoryModel.deleteCategoryById(id);
+    const affectedRows = await categoryModel.deleteById(id);
     if (affectedRows) {
       this.success({message: '新闻分类删除成功！', affectedRows: affectedRows});
     } else {
@@ -51,7 +51,7 @@ module.exports = class extends Base {
   async getCategoryByIdAction() {
     const id = this.post('id');
     const categoryModel = this.model('category');
-    const category = await categoryModel.getCategoryById(id);
+    const category = await categoryModel.getById(id);
 
     if (!think.isEmpty(category)) {
       this.success(category);
@@ -62,7 +62,7 @@ module.exports = class extends Base {
 
   async getAllCategoriesAction() {
     const categoryModel = this.model('category');
-    const categories = await categoryModel.getAllCategories();
+    const categories = await categoryModel.getAll();
 
     if (!think.isEmpty(categories)) {
       this.success(categories);
@@ -74,7 +74,7 @@ module.exports = class extends Base {
   async getCategoriesByConditionAction() {
     const condition = this.post();
     const categoryModel = this.model('category');
-    const categories = await categoryModel.getCategoriesByCondition(condition);
+    const categories = await categoryModel.getByCondition(condition);
 
     if (!think.isEmpty(categories)) {
       this.success(categories);
@@ -82,4 +82,13 @@ module.exports = class extends Base {
       this.success({message: '当前条件没有分类！'});
     }
   }
+
+  async listAction() {
+    const body = this.post();
+    const page = body.page || 1;
+    const pageSize = body.pageSize || 10;
+    const categoryModel = this.model('category');
+    const data = await categoryModel.getPageList(page, pageSize);
+    return this.success(data);
+  }
 };

src/model/base.js

@@ -1,8 +1,33 @@
 module.exports = class extends think.Model {
-  // 公共方法示例
-  getDataById(id) {
-    return this.where({ id }).find();
+  addOne(data) {
+    return this.add(data);
   }
 
-  // 其他公共方法和属性可以在这里定义
+  editById(id, data) {
+    return this.where({id}).update(data);
+  }
+
+  deleteById(id) {
+    const del = 1;
+    const data = {del};
+    return this.where({id}).update(data);
+  }
+
+  getById(id) {
+    const del = 0;
+    return this.where({id, del}).find();
+  }
+
+  getAll() {
+    const del = 0;
+    return this.where({del}).select();
+  }
+
+  getByCondition(condition) {
+    return this.where(condition).select();
+  }
+
+  getPageList(page, pageSize) {
+    return this.field('*').page(page, pageSize).select();
+  }
 };

src/model/category.js

@@ -1,32 +1,4 @@
 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();
-  }
 };