convert json to shapefile

Convert DataSet to json, and DataSet to json/// /// Convert dataset data to json format/// /// /// Public static string GetJsonByDataset (DataSet ds){If (ds = null | ds. Tables. Count {// If the queried data is null, mark OK: falseReturn "{\" OK \ ": false }";}StringBuilder

This article mainly introduces the best way to convert JSON strings into JSON objects in JS, and need friends to refer to the following In JS, the JSON string is parsed into JSON data format, usually in two ways: 1. One is to use the Eval () function. 2. Use function objec

Suppose we have obtained a Java object on the server side, and now we are considering how to convert this Java object into a string that complies with the JSON syntax. Of course, we can write a set of algorithms to implement this conversion, but it is troublesome, especially when the object has many attributes or the attribute Nesting is deep, it is more troublesome. In practice, we can use a ready-made too

onCreate(Bundle savedinstancestate) {Super. OnCreate (Savedinstancestate); Setcontentview (R.layout.main); ListView ListView = (ListView) This. Findviewbyid (R.id.listview);Try{list//need to modify the HTTP request path to your native computer //ListlistNewArraylist for(News News:videos) {hashmapNewHashmap"id", News.getid ()); Item.put ("title", News.gettitle ()); Item.put ("Timelength", Getresources (). getString (r.string.timelength) + news.gettimelength () + getresources ()

The form form has a serialize () method. The ability to serialize the values of the form, but this method of jquery provides a way to serialize the data into a form similar to the following:A=1b=2c=3d=4jquery does not provide a way to serialize form data to JSON. So we need to encapsulate it ourselves. The following gives the code and test examples, first write a JS file:$.ajaxsetup ({ contentType: "application/x-www-form-urlencoded; Charset=utf-8

Form has a serialize () method that can serialize the value of the form. However, this method provided by jquery serializes the data in a format similar to the following: A = 1 B = 2 c = 3 d = 4 Jquery does not provide a method to serialize form data to json, so we need to encapsulate it ourselves. The following code and test example are provided. First, write a js file: $. AjaxSetup ({contentType: "application/x-www-form-urlencoded; charset

Function ajaxGetMenuList () {$. getJSON ("login. do ", function (json) {var r =" "; zNodes + =" ["; $ (json. menuList ). each (function (I) {r = json. menuList [I]; if (I> 0) zNodes + = ","; zNodes + = '{'; zNodes + = 'id: '+ r. SId; zNodes + = ', pId:' + r. SPid; zNodes + = ', name: "' + r. STitle; if (r. SPid = 0) zNodes + = '", open: true'; else zNodes + ='" '

JSON string format{" 10.10.11.1": { "target_1": "34.2", "Target_3": "70.83", "target_2": "50.51", "target_5": " 110.68 ", " c_event ":" Event ", " Target_4 ":" 90.79 ", " C_timestamp ":" 12:54:34 ", " target_6 ":" 10.2 ", "C_subject": "10.18.11.0" }}{string,mapJS function:function GetValue () {var str = ' {' 10.10.11.1 ': {"target_1": "34.2", "Target_3": "70.83", "target_2": "50.51"}}

First, import the following jar packagesHere are the various types of programs that convert to JSON and extract data from JSONPackage Jsontest;import Java.util.arraylist;import java.util.hashmap;import java.util.list;import java.util.Map; Import Net.sf.json.jsonarray;import Net.sf.json.jsonobject;public class Jsonmain {public static void main (string[] args ) {GetList (setlist ()); Getmap (Setmap ()); Syste

2 ways to convert a JSON string into a JSON objectFirst, use the function eval1 var personsstr = ' [{' name ': ' Zhangsan ', ' age ': 26},{' name ': ' Lisi ', ' age ': '] '; 2 var personsjson = eval (personsstr);Post-conversion results:Second, the use of Json.parse1 var personsstr = ' [{' name ': ' Zhangsan ', ' age ': 26},{' name ': ' Lis