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@ -252,7 +252,7 @@ DELETE：删除数据，非明文 | base_url/delete/ | {TableName:{"id":id}, "ta
"key+":key指定类型的Object，且类型为Number,String,JSONArray中的一种。如 1,"apijson",["url0","url1"] 等。只用于PUT请求 | 增加<br /> /<br />扩展 | "praiseUserIdList+":[1]，添加一个点赞用户id，即该用户点了赞
"key-":key指定类型的Object，同"key+" | 减少<br /> /<br />去除 | "balance-":100.00，余额减少100.00，即花费了100元
&, \|, ! 逻辑运算符。<br />& 可用于"key&{}":"条件"等。<br />\| 可用于"key\|{}":"条件", "key\|{}":[]等。<br />! 可单独使用，如"key!":Object，也可像&,\|一样配合其他功能符使用等。 | 逻辑运算 | ["id&{}":">80000,<=90000"](http://139.196.140.118:8080/head/{"User":{"id&{}":">80000,<=90000"}})，即id满足id>80000 & id<=90000。<br />["id|{}":">80000,<=90000"](http://139.196.140.118:8080/head/{"User":{"id|{}":">80000,<=90000"}})，同"id{}":">80000,<=90000"，即id满足id>80000 \| id<=90000。<br />["id!{}":[82001,38710]](http://139.196.140.118:8080/head/{"User":{"id!{}":[82001,38710]}})，即id满足 ! (id=82001 \| id=38710)，可过滤黑名单的消息。
"@key":key指定类型的Object，@key为JSONObject中的关键字，作用各不相同，但都不作为查询匹配条件<br /><br />① "@column":"key0,key1...", 指定返回字段<br />② "@order":"key0,key1+,key2-...", 指定排序方式<br />③ "@group":"key0,key1,key2...", 指定分组方式<br />④ "@having":"function0(...)?valu0,function1(...)?valu1,function2(...)?value2...", 指定函数条件 | 关键词，客户端可自定义 | ① 只查询id,sex,name这几列并且请求结果也按照这个顺序：<br />["@column":"id,sex,name"](http://139.196.140.118:8080/get/{"User":{"@column":"id,sex,name","id":38710}})<br /> ② 查询按name降序,id默认顺序排序的User数组：<br />["@order":"name-,id"](http://139.196.140.118:8080/get/{"[]":{"count":10,"User":%7B"@column":"name,id","@order":"name-,id"}}})<br /> ③ 查询按userId分组的Moment数组：<br />["@group"="userId"](http://139.196.140.118:8080/get/{"[]":{"count":10,"Moment":%7B"@column":"userId,id","@group":"userId"}}})<br /> ④ 查询按userId分组，且id总和<1000的Moment数组：<br />[sum(key1) <= 5](http://139.196.140.118:8080/get/{"[]":{"count":10,"Moment":%7B"@column":"userId,id","@group":"userId","@having":"sum(id)<1000"}}})<br /> ⑤ 从pictureList获取第0张图片：<br />[{<br /> &nbsp; "@position":0, //这里@position为自定义关键词<br /> &nbsp; "firstPicture()":"get(Collection:pictureList,int:@position)"<br />}](http://139.196.140.118:8080/get/{"User":{"id":38710,"@position":0,"firstPicture()":"get(Collection:pictureList,int:@position)"}})<br /> ...
"@key":key指定类型的Object，@key为JSONObject中的关键词<br />① "@column":"key0,key1...", 指定返回字段<br />② "@order":"key0,key1+,key2-...", 指定排序方式<br />③ "@group":"key0,key1,key2...", 指定分组方式<br />④ "@having":"function0(...)?valu0,function1(...)?valu1,function2(...)?value2...", 指定函数条件 | 关键词，客户端可自定义 | ① 只查询id,sex,name这几列并且请求结果也按照这个顺序：<br />["@column":"id,sex,name"](http://139.196.140.118:8080/get/{"User":{"@column":"id,sex,name","id":38710}})<br /> ② 查询按name降序,id默认顺序排序的User数组：<br />["@order":"name-,id"](http://139.196.140.118:8080/get/{"[]":{"count":10,"User":%7B"@column":"name,id","@order":"name-,id"}}})<br /> ③ 查询按userId分组的Moment数组：<br />["@group"="userId"](http://139.196.140.118:8080/get/{"[]":{"count":10,"Moment":%7B"@column":"userId,id","@group":"userId"}}})<br /> ④ 查询按userId分组，且id总和<1000的Moment数组：<br />[sum(key1) <= 5](http://139.196.140.118:8080/get/{"[]":{"count":10,"Moment":%7B"@column":"userId,id","@group":"userId","@having":"sum(id)<1000"}}})<br /> ⑤ 从pictureList获取第0张图片：<br />[{<br /> &nbsp; "@position":0, //这里@position为自定义关键词<br /> &nbsp; "firstPicture()":"get(Collection:pictureList,int:@position)"<br />}](http://139.196.140.118:8080/get/{"User":{"id":38710,"@position":0,"firstPicture()":"get(Collection:pictureList,int:@position)"}})<br /> ...
## <h2 id="5">5.使用方法<h2/>