java parsing json related
A json-lib.jar development package uses the dependency package
json-lib.jar development package requires the following development packages:
* jakarta commons-lang 2.4
* jakarta commons-beanutils 1.7.0
* jakarta commons-collections 3.2
* jakarta commons- logging 1.1.1
*ezmorph 1.0.6
Baidu translation interface example code:
package com.baidu.translate;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.UnsupportedEncodingException;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLConnection;
import java.net.URLDecoder;
import java.nio.Buffer;
import net.sf.json.JSONArray;
import net.sf.json.JSONObject;
public class BaiduTranslate {
/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
String body="All roads lead to Rome";
String from="zh";
String to="en";
String result=getResult(body,from,to);
System.out.println("{"+result);
String content="{"+result;
String json=getDate(content);
System.out.println(json);
}
//Baidu platform (translation interface) related data
public static String getResult(String body,String from ,String to){
String result="";
//splicing related parameters
String params="http://openapi.baidu.com/public/2.0/bmt/translate?client_id=cxE4PWzno4Zx13LAvHX7ND5j&q="+body+"&from="+from+"&to="+to;
try {
URL url = new URL(params);
URLConnection connection = url.openConnection();
//Set the connection time (10*1000)
connection.setConnectTimeout(10*1000);
//set output
connection.setDoOutput(true);
//set output
connection.setDoInput(true);
//set cache
connection.setUseCaches(false);
//outputstream-----output stream
InputStream inputstream=connection.getInputStream();
//cache character stream
BufferedReader buffer = new BufferedReader(new InputStreamReader(inputstream));
//return related results
StringBuilder builder=new StringBuilder();
while(buffer.read()!=-1){
builder.append(buffer.readLine());
}
//return related results
result=builder.toString();
//Cache character stream close operation
buffer.close();
} catch (MalformedURLException e) {
// TODO Auto-generated catch block
e.printStackTrace ();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace ();
}
return result;
}
//Parse the relevant data information returned by the Baidu server platform
public static String getDate(String result){
String date="";
JSONObject object=JSONObject.fromObject(result);
JSONArray array=object.getJSONArray("trans_result");
int length=array.size();
for(int i=0;i<length;i++){
JSONObject params=JSONObject.fromObject(array.get(i));
String str=params.getString("dst");
try {
str=URLDecoder.decode(str,"utf-8");
date = str;
} catch (UnsupportedEncodingException e) {
// TODO Auto-generated catch block
e.printStackTrace ();
}
}
return date;
}
}
Results show:
