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                ??碼云GVP開源項目 12k star Uniapp+ElementUI 功能強大 支持多語言、二開方便! 廣告
                1 在磁盤的任意位置創建名為db.json文件文件 ![](https://img.kancloud.cn/b5/06/b50675bd14d68b21a870c7ebf6b5c1b7_1440x900.png) 文件內容為 ``` { "assets": [ { "id": 1, "name": "外套", "price": 99 }, { "id": 2, "name": "褲子", "price": 34 }, { "id": 3, "name": "鞋", "price": 25.4 }, { "id": 4, "name": "頭發", "price": 19900 } ], "user":[ {"id": 1, "UserName": "周杰倫", "age": 12}, {"id": 2, "UserName": "王安石", "age": 34}, {"id": 3, "UserName": "王偉", "age": 56} ] } ``` 2 啟動 json-server 打開cmd進入對應的目錄(有db.json的目錄) ![](https://img.kancloud.cn/fc/2b/fc2b4b6d8d9625b7d6684e94b10f9710_978x509.png) 執行啟動json-server命令 ``` json-server db.json --port 3000 json-server:啟動命令 db.json:需要運行的文件 –port 3000:是指定端口號,默認是3000;`--port`可以簡寫為`-p` ``` ![](https://img.kancloud.cn/13/9b/139bfd2013d54be5f3bd012a181d6d27_958x512.png) 3 訪問接口數據 (1)普通訪問 ![](https://img.kancloud.cn/3a/a5/3aa50896e819ef609fdc9730347886dc_811x270.png) (2)參數訪問 ![](https://img.kancloud.cn/20/e9/20e9e2b96dd69b692b1f428b35cc48ba_1440x900.png) (3) 過濾查詢 ``` 可以用的拼接條件為: * `_gte`?: 大于等于 * `_lte`?: 小于等于 * `_ne`?: 不等于 * `_like`?: 包含 ``` ![](https://img.kancloud.cn/2d/d7/2dd701ed13b6601f2da9c204af438fef_1440x900.png) (4)分頁查詢 默認后臺處理分頁參數為:?`_page`?第幾頁,?`_limit`一頁多少條(默認10條) 并且后臺會返回總條數,總條數的數據在響應頭:`X-Total-Count`中 ![](https://img.kancloud.cn/e0/e9/e0e9009e8eda2d80c8a8a3a7edce3eee_1440x900.png) (5)排序 ``` * 參數:?`_sort`設定排序的字段 * 參數:?`_order`設定排序的方式(默認升序) ``` ![](https://img.kancloud.cn/cd/df/cddf3c0e726f4e4a7d48f0e1280852b5_1440x900.png) 支持多個字段排序:GET /posts?_sort=user,views&_order=desc,asc (6)任意切片數據 ![](https://img.kancloud.cn/96/f6/96f6825284e34b36eb7e5fcb6cc4f9fb_1440x900.png) 對于json-server每一次的訪問都會打印相關的日志,如下 ![](https://img.kancloud.cn/bb/9b/bb9b9893137e5199f463ad0338329c58_961x483.PNG) 注意:運行期間cmd窗口是不能關閉的否則接口無法獲取數據。其他高級用法大家自行擴展。
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