HttpTool.java 【暂保留】
备注
在 java tool util 工具类 中已存在
HttpTool.java
该类为java源生态的http 请求工具,不依赖第三方jar包 ,即插即用.
package kingtool;
import java.io.BufferedReader;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.UnsupportedEncodingException;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.Date;
/**
* http post发送工具
* @author King
*
*/
public class HttpTool {
public static void main(String[] args) throws Exception {
String requestUrl = "http://192.168.1.2/httpserver";
String requestData = readStringFromFile("C:\\Users\\King\\Desktop\\connectANSI.xml","GBK");//有乱码,请修改指定编码
//_________________________________________________________________________________________
String returnData=HttpTool.sendRequestData("telesales",requestData, requestUrl,"GBK","GBK", 3000,3000);//大家最终只要使用这一句代码就可调用
//_________________________________________________________________________________________
}
/**
* 发送报文
*
* @param appName 应用系统英文名
* @param requestData 请求报文
* @param urlStr 请求地址
* @param connectionTimeout 链接超时时间 1000代表 1秒
* @param readTimeout 读取超时时间 1000代表1秒
* @return
* @throws IOException
* @author King
*/
public static String sendRequestData(String appName,String requestData, String urlStr,String sendEncoding,String recvEncoding, int connectionTimeout,int readTimeout) throws IOException{
URL url = null;
HttpURLConnection conn = null;
ByteArrayOutputStream byteOut = null;
BufferedReader readInfo = null;
StringBuffer strBuilder=new StringBuffer();
OutputStream out = null;
try {
System.out.println("请求时间:【"+new Date()+"】");
System.out.println("请求地址:【"+urlStr+"】");
System.out.println("请求报文:【"+requestData+"】");
url = new URL(urlStr);
conn = (HttpURLConnection) url.openConnection();
conn.setRequestMethod("POST");
conn.setRequestProperty("SOAPAction", "\"\"");
conn.setRequestProperty("Accept", "application/soap+xml,application/json, application/dime, multipart/related, text/*");
//如果没有下面这一行代码,服务器端可以通过request.getParameter()和request.getInputStream()都接收到相同信息
//conn.setRequestProperty("content-type", "text/xml;charset=GBK");
//如果 有上面这一行代码,服务器端仅能通过request.getInputStream()接收信息
conn.setRequestProperty("User-Agent", "Axis/1.4");
conn.setRequestProperty("Cache-Control", "no-cache");
conn.setRequestProperty("appName", appName);//各系统需要设置应用系统名 appName,如电销为telesales
conn.setUseCaches(false); //忽略缓存
conn.setDoOutput(true); //使用 URL 连接进行输出
conn.setDoInput(true); //使用 URL 连接进行输入
conn.setConnectTimeout(connectionTimeout);//链接超时
conn.setReadTimeout(readTimeout);//读取超时
conn.connect();//建立链接
byteOut = new ByteArrayOutputStream();
byteOut.write(requestData.getBytes(sendEncoding));//以指定编码发送,如果有乱码,修改之
byte[] buf = byteOut.toByteArray();
out = conn.getOutputStream();
out.write(buf);
out.flush();
if (HttpURLConnection.HTTP_OK == conn.getResponseCode()) {//正确返回
readInfo = new BufferedReader(new java.io.InputStreamReader(conn.getInputStream(),recvEncoding));//以指定编码读取返回信息,如果有乱码,修改之
String line = null;
while ((line = readInfo.readLine()) != null) {
strBuilder.append(line);
}
} else {//没有正确返回
readInfo = new BufferedReader(new java.io.InputStreamReader(conn.getInputStream(),recvEncoding));//以指定编码读取返回信息,如果有乱码,修改之
System.out.println("出现异常,返回报文:【"+readInfo+"】");
throw new IOException("url请求出现问题,返回编码:" + conn.getResponseCode());
}
System.out.println("返回时间:【"+new Date()+"】");
System.out.println("返回报文:【"+strBuilder.toString()+"】");
} catch (UnsupportedEncodingException e) {
throw e;
} catch (MalformedURLException e) {
throw e;
} catch (IOException e) {
throw e;
}finally {
try{
if (readInfo != null) {
readInfo.close();
}
if (byteOut != null) {
byteOut.close();
}
if (out != null) {
out.close();
}
if (conn != null) {
conn.disconnect();
}
}catch(Exception e){
System.out.println("关闭链接出错!"+e.getMessage());
}
}
return strBuilder.toString();
}
/**
*
* @param filePath 文件绝对路径
* @param encoding 读取文件的编码
* @return
* @author King
* @throws Exception
*/
public static String readStringFromFile(String filePath,String encoding) {
File file = new File(filePath);
System.out.println("文件 "+filePath+"存在与否?: "+ file.exists()+"\n");
String tempLine = null;
String retStr = "";
InputStreamReader isr = null;//way1:
// FileReader fr = null;//way2
StringBuilder sb = new StringBuilder();
try {
if(file.exists()){
isr = new InputStreamReader(new FileInputStream(file),encoding);//way1:
// fr = new FileReader(file);//way2
BufferedReader br = new BufferedReader(isr);//way1:
// BufferedReader br = new BufferedReader(fr);;//way2:
tempLine = br.readLine();
while( tempLine != null ){
sb.append(tempLine);
tempLine = br.readLine();
}
retStr = sb.toString();
}
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}finally{
try{
if(isr!=null)
isr.close();
}catch(Exception e){
e.printStackTrace();
}
}
System.out.println("读到的文件内容如下:");
System.out.println(retStr+"\n");
return retStr;
}
}
感觉空虚寂寞,只是因为你无所关注,无处付出。