pageinfo对合并list进行分页_PageInfo实现分页

import com.github.pagehelper.Page;

需要导入的jar Controller

import com.github.pagehelper.PageInfo;

@RequestMapping(value = "/getMoreBook",produces="application/json;charset=utf-8")//处理返回中文乱码

@ResponseBody

public String getMoreBook(String type,String majorCate,@RequestParam(required = false,defaultValue = "1")String page) {

PageInfo books=new PageInfo();

books=bookServiceImpl.getMoreBook(type,majorCate,page);

JSONObject jsObj= new JSONObject();

jsObj.put("status",1);

jsObj.put("msg","ok");

jsObj.put("content",books);

return jsObj.toString();

}

Service

PageInfo getMoreBook(String type, String majorCate, String page);

ServiceImpl

public PageInfo getMoreBook(String type, String majorCate, String page){

try {

PageHelper.startPage(Integer.parseInt(page), 10);

List books = bookMapper.getMoreBook(type,majorCate);

PageInfo pageInfo = new PageInfo(books);

return pageInfo;

} catch (Exception e) {

e.printStackTrace();

return null;

}

}

返回的数据格式

{

"content": {

"endRow": 100,

"firstPage": 6,

"hasNextPage": true,

"hasPreviousPage": true,

"isFirstPage": false,

"isLastPage": false,

"lastPage": 13,

"list": [{}，{}],

"navigateFirstPage": 6,

"navigateLastPage": 13,

"navigatePages": 8,

"navigatepageNums": [6, 7, 8, 9, 10, 11, 12, 13],

"nextPage": 11,

"pageNum": 10,

"pageSize": 10,

"pages": 189,

"prePage": 9,

"size": 10,

"startRow": 91,

"total": 1884

},

"status": 1,

"msg": "ok"

}