json字符串轉換

原創

2020-02-22 05:47

/**
 * json和字符串轉化，這裏給大家做個參考
 */
function addImges(){
    $("#submit_btn").hide();
    $("#loading").show();
    var ppData = getJsonImgsId();//得到頁面上的所有圖片
    //如果get傳遞，ie最大爲2M字節，改爲post
    var form = $("<form action='" + ctx + "/front/userwork/myPrintPhotos'  method='post'></form>");
    var form1 = $("<input type='hidden' name='ppData' value='" + JSON.stringify(ppData) + "'/>");
    var form2 = $("<input type='hidden' name='worksId' value='" + worksId + "'/>");
    var form3 = $("<input type='hidden' name='proId' value='" + proId + "'/>");
    var form4 = $("<input type='hidden' name='detailId' value='" + detailId + "'/>");
    form.append(form1);
    form.append(form2);
    form.append(form3);
    form.append(form4);
    $(document.body).append(form);
    form[0].submit();
}
function getJsonImgsId() {
    var ppArray = new Array();
    var num = $("#new_upload li").length;
    for(var i = 0;i<num;i++){
        var imgObj = {};
        imgObj.image_path = $("#new_upload li:eq("+i+") img").attr("src");
        imgObj.image_id = $("#new_upload li:eq("+i+") .img").attr("imgid");
        imgObj.total_num = $("#new_upload li:eq("+i+") .num").html();
        ppArray.push(imgObj);
    }
    return ppArray;
}

@RequestMapping("/myPrintPhotos")
public String myPrintPhoto(HttpServletRequest request) {
    String detailId = request.getParameter("detailId");
    String worksId = request.getParameter("worksId");
    if(request.getParameter("ppData")==null){
        request.setAttribute("photoList", "");
    }else{
        String ppData = request.getParameter("ppData");
        JSONArray photoList = JsonConverter.jsonStringToJSONArray(ppData);
        request.setAttribute("photoList", photoList);
    }
    request.setAttribute("worksId", worksId);
    request.setAttribute("detailId", detailId);
    return "/front/photos/myPrintPhotos";
}