package com.t200.book.controller;import java.text.SimpleDateFormat;import java.util.Date;import java.util.HashMap;import java.util.List;import java.util.Map;import javax.servlet.http.HttpServletRequest;import org.springframework.beans.factory.annotation.Autowired;import org.springframework.stereotype.Controller;import org.springframework.web.bind.annotation.RequestMapping;import org.springframework.web.bind.annotation.ResponseBody;import com.t200.book.service.DetailService;/**?* 收入狀況相關(guān)功能?* @author 馬凱 ? 2016-10-14?*/@Controller@RequestMapping("/detail")public class DetailController { @Autowired private DetailService detailService; @RequestMapping("/day") public @ResponseBody Object day(HttpServletRequest request){ // SimpleDateFormat sdf = new SimpleDateFormat("yyyy-mm-dd"); //Map<String, Object> params - com.t200.book.controller.DetailController.day(HttpServletRequest) Map<String, Object> params = new HashMap<String, Object>(); //獲取日期及作者id String date = request.getParameter("date"); String authorid = request.getParameter("authorid"); //為空或為null if(date==null||"".equals(date)){ date = sdf.format(new Date()); } //賦值 ? date ? params.put("date", date); params.put("authorid", authorid); //調(diào)用service List<Map<String, Object>> list = detailService.dayDetail(params); // 清除 params.clear(); // params.put("rows", list); ? ?//請解釋一下這段代碼 //{rows:[{},{},{}]} ? json return params; ?//請解釋一下這段代碼 } }