一、使用JsonArray傳遞
java代碼
@RequestMapping(value="/myphotopage") public HttpEntity<JSONArray> myphoto2(int pageNum,HttpSession session,HttpServletResponse resp) throws Exception{ UserInfo user=(UserInfo) session.getAttribute("user"); JSONObject json=new JSONObject(); JSONArray jsonArray=new JSONArray(); if(user!=null){ // 定義的總記錄數 int dataCount = 0; // 定義當前頁 // pageNum = 1; // 定義總頁數 int pageCount = 0; // 定義每頁顯示條數 int pageSize = 6; // 開始索引 int startIndex = 0; dataCount=photoService.countPhotoByUserid(user.getUserid()); if(dataCount%pageSize == 0){ pageCount = dataCount/pageSize; }else { pageCount = dataCount/pageSize + 1; } if(pageNum!=0){ startIndex = (pageNum-1)*pageSize; } List<Photo> photos=photoService.getPhotoByPageNumAndUserid(user.getUserid(), startIndex); json.put("dataCount", dataCount); json.put("pageNum", pageNum); json.put("pageCount", pageCount); jsonArray.add(photos); jsonArray.add(json); }else{ resp.sendRedirect("templates/login.jsp"); } HttpEntity<JSONArray> httpEntity=new HttpEntity<JSONArray>(jsonArray); return httpEntity; }
jsp代碼
function showpage(pageNum) { $.ajax({ url : "/shoots/myphotopage.do?pageNum=" + pageNum, type : "get", dataType : "json", success : function(data) { var objs = eval(data); //取出回送的數據 //list代表後臺發送回來的集合。 //info中封裝了一些其他信息。 var list = objs[0]; var info = objs[1]; var page = ""; var result = ""; result = "<table class='table'><thead>"; result += "<tr><th>圖片編號</th><th>圖片類型</th><th>上傳時間</th><th>收藏數量</th><th style='width: 26px;'></th></tr>"; result += " </thead><tbody>"; //遍歷集合 index爲索引,element爲對象 $.each(list,function(index, element) { //拼接字符串 result += "<tr>"; result += "<td>" + element.photoid + "</td>"; result += "<td>" + element.ptype.ptcon + "</td>"; result += "<td>" + element.phototime + "</td>"; result += "<td>" + element.likenum + "</td>"; result += "<td><button aria-hidden='true' data-toggle='modal' class='icon-pencil'"; result += "data-target='#showinfo' data-photoid='" + element.photoid + "' data-path='" + element.photoname + "'"; result += "data-remake='" + element.photoremake + "' onclick='iii()'></button> </td>"; result += "</tr>"; }); result += "</table>"; if (info.pageNum == 1) { page += "首頁 上頁"; } else { var up = info.pageNum - 1; page += "<input type='button' name='first' value='首頁' onclick='showpage(1)' /> <input type='button' name='up' value='上頁' onclick='showpage(" + up + ")' />" } if (info.pageNum == info.pageCount || info.pageCount == 0) { page += "下頁 尾頁"; } if (info.pageNum < info.pageCount) { var nex = info.pageNum + 1; page += "<input type='button' name='first' value='下頁 ' onclick='showpage(" + nex + ")' /><input type='button' name='first' value='尾頁 ' onclick='showpage(" + info.pageCount + ")' /> " } page += "共 " + info.dataCount + " 條記錄 第" + info.pageNum + "頁/共" + info.pageCount + "頁"; $("#page").html(page); $("#cont").html(result); } }); }