如何将Json数组传递给servlet

Question

[DUPICATE]

<击> 这个我的POST JSON代码

var data_create = JSON.stringify($("#form_create_delegate").serializeArray());

        alert("isi data_create" + data_create);

//        console.log(data_create)
        $.ajax({
            type: "POST",
            url: "formCreateDelegationServlet",
            dataType: "json",
            data:data:{JSONFile:data_create},
            success: function (response) {  }


        });

这是我的结果JSON

JSONFile:[{"name":"id_form_delegate","value":"1"},{"name":"merchant","value":"AMBHARA HOTEL TERBAIK"},{"name":"citty","value":"JAKARTA PUSAT"},{"name":"addrs","value":"JL. DIPONEGORO NO.  1J"},{"name":"province_merchant","value":"DKI JAKARTA"},{"name":"mid_merchant[]","value":"1"},{"name":"tid_merchant[]","value":"1"},{"name":"mid_merchant[]","value":"2"},{"name":"tid_merchant[]","value":"2"}]

如何从我的JsonArray中删除属性“name”和“value”

我想制作一个像这样的格式

[{"merchant":"AMBHARA HOTEL TERBAIK","citty":"JAKARTA PUSAT"}]

这是我的servlet代码

JSONArray jsonArray = (JSONArray) net.sf.json.JSONSerializer.toJSON(request.getParameter("JSONFile"));

            merchant = jsonObject.getString("merchant");
            city = jsonObject.getString("city");
            addrs = jsonObject.getString("addrs");
            province_merchant = jsonObject.getString("province_merchant");
            tid = jsonObject.getString("tid_merchant");
            mid = jsonObject.getString("tid_merchant");
//            
            System.out.println("nama_merchant: " + nama_merchant);
            System.out.println("kota_merchant: " + kota_merchant);
            System.out.println("alamat_merchant: " + alamat_merchant);
            System.out.println("province_merchant: " + province_merchant);
            System.out.println("mid: " + mid);
            System.out.println("tid: " + tid);

但它不起作用

Answer 1

如果你想摆脱键并将值保存为数组，你可以像这样使用Array.map

var input=[{"name":"id_form_delegate","value":"1"},{"name":"merchant","value":"AMBHARA HOTEL TERBAIK"},{"name":"citty","value":"JAKARTA PUSAT"},{"name":"addrs","value":"JL. DIPONEGORO NO.  1J"},{"name":"province_merchant","value":"DKI JAKARTA"},{"name":"mid_merchant[]","value":"1"},{"name":"tid_merchant[]","value":"1"},{"name":"mid_merchant[]","value":"2"},{"name":"tid_merchant[]","value":"2"}]

var result = input.map(function (obj) {return [obj.name, obj.value]})

console.log(JSON.stringify(result))

你可以使它成为动态的，这样它就可以使用Object.keys（在MSIE pre 9中不支持）使用任何属性而不仅仅是“name”和“value”。但请注意，您将失去对输出值的顺序的控制。

input=[{"name":"id_form_delegate","value":"1"},{"name":"merchant","value":"AMBHARA HOTEL TERBAIK"},{"name":"citty","value":"JAKARTA PUSAT"},{"name":"addrs","value":"JL. DIPONEGORO NO.  1J"},{"name":"province_merchant","value":"DKI JAKARTA"},{"name":"mid_merchant[]","value":"1"},{"name":"tid_merchant[]","value":"1"},{"name":"mid_merchant[]","value":"2"},{"name":"tid_merchant[]","value":"2"}]

result = input.map(function (obj) {
  return Object.keys(obj).map(function (key) {return obj[key]})
})

console.log(JSON.stringify(result))