Question

我有这样的json响应来自API调用。

last_row = GetLastRow(Sheet1, 1)

现在我正在检索我在选择器中显示的`{ "id": "7", "issue_title": "Apr - May 2015", "issue_no": "Issue 1.4", "cover_image_url": "http://www.link.org/apr--may-2015-7.jpg", "synopsis_pdf_url": "", "advertisers_pdf_url": "", "issue_date": "01-04-2015", "issue_year": "2015" }, { "id": "3", "issue_title": "Feb-Mar 2015", "issue_no": "Issue 1.3", "cover_image_url": "http://www.link.org/febmar-2015-3.jpg", "synopsis_pdf_url": "http://www.link.org/febmar-2015-3.pdf", "advertisers_pdf_url": "http://www.link.org/febmar-2015-3.pdf", "issue_date": "01-02-2015", "issue_year": "2015" }, { "id": "2", "issue_title": "Dec 2014 - Jan 2015", "issue_no": "Issue 1.2", "cover_image_url": "http://www.link.org/dec-2014--jan-2015-2.jpg", "synopsis_pdf_url": "", "advertisers_pdf_url": "", "issue_date": "01-12-2014", "issue_year": "2014" }, { "id": "1", "issue_title": "Oct - Nov 2014", "issue_no": "Issue 1.1", "cover_image_url": "http://www.link.org/oct--nov-2014-1.jpg", "synopsis_pdf_url": "", "advertisers_pdf_url": "", "issue_date": "01-10-2014", "issue_year": "2014" }`。

我想如果用户点击issue_year，则表格数据应仅显示具有相同issue_year的记录。就像从选择器点击2014一样，它应该只显示第3和第4条记录。现在来自控制器我正在准备选择器数据时在选择器中传递jsonResponse [i]的对象，以便在其点击中检索相同但我得到issue_year。

js代码如下

undefined

xml文件

function openpastIssues(e) {

var url = "http://example.com/api/past_year_issue.aspx";
var jsonResponse;
var response;

var data = [];
var pickerData = [];
var singleData = [];
var row;
var xhr = Ti.Network.createHTTPClient({
    onload : function() {
        // parse the retrieved data, turning it into a JavaScript object
        Ti.API.info("From Past Issues (function): " + this.responseText);
        jsonResponse = JSON.parse(this.responseText);

        var rowHeight = 150;
        // just pick the right height here
        var imageRowIsFull = false;
        var myImage;
        var issuelbl;

        var row = Ti.UI.createTableViewRow({
            width : Ti.UI.SIZE,
            height : Ti.UI.SIZE,
            layout : "horizontal"
        });

        for (var i = 0; i < jsonResponse.length; i++) {
            var tView = Ti.UI.createView({
                width : Ti.UI.SIZE,
                height : Ti.UI.SIZE,
                left : "5%",
                right : "5%",
                top : "5",
                bottom : "5",
                backgroundColor : "#A9F5A9",
                //backgroundColor : "black",
                layout : "vertical"

            });

            issuelbl = Ti.UI.createLabel({
                color : 'blue',
                text : jsonResponse[i].issue_title,

                height : "auto",
                width : "auto",
                left : "3%",
                font : {
                    fontSize : 13
                },
            });

            tView.add(issuelbl);

            myImage = Ti.UI.createImageView({
                width : 120,
                //left : "5%",
                //right : "5%",
                top : "5",
                //bottom:"5",
                height : 150,
                image : jsonResponse[i].cover_image_url,
                obj : jsonResponse[i]
            });
            tView.add(myImage);
            try {
                myImage.addEventListener('click', function(e) {
                    Ti.API.info('Clicked data = ' + JSON.stringify(e.source.obj));
                    var jsonRes = e.source.obj;
                    Alloy.createController('singleissue', jsonRes);
                });
            } catch(e) {

            }
            row.add(tView);
            //row.add(myImage);
            imageRowIsFull = false;

            if ((i + 1) % 2 == 0) {//this will add a new row every 2 items.
                imageRowIsFull = true;
                data.push(row);
                row = Ti.UI.createTableViewRow({
                    width : Ti.UI.SIZE,
                    height : Ti.UI.SIZE,
                    layout : "horizontal",
                    filterCriteria :jsonResponse[i].issue_year

                });
            }
            pickerData[i] = Ti.UI.createPickerRow({
            title : jsonResponse[i].issue_year,
            obj : jsonResponse[i]
            });

        }

        if (!imageRowIsFull) {//do not forget to add the last row
            data.push(row);
        }



        //table.setData(data); 
        $.issueTable.setData(data);
        $.picker.add(pickerData);

    },

    onerror : function(e) {
        Ti.API.debug(e.error);
        alert('error');
    },
    timeout : 5000
});

xhr.open("GET", url);
xhr.send();
}
$.picker.addEventListener('change', function(e) {
Ti.API.info('From picker ' + e.source.obj);
});

基本上我想显示从选择器中选择的特定年份的记录。

任何人都可以请帮助。我花了很多时间在这上面。

Answer 1

您可以制作NSMUtableArray并根据“issue_year”的值重新填充它。您可以使用NSPredicate对json进行排序

单击选择器元素重新加载tableview，其中包含钛的更新数据

1 个答案: