package junit;
import java.io.InputStream;
import .HttpURLConnection;
import .URL;
import org.junit.Test;
import com.hrtx.util.StreamTool;
public class EsmTest {
/**
* 通过HttpURLConnection模拟post表单提交
* @throws Exception
*/
@Test
public void sendEms() throws Exception {
String wen = "MS228";
String btnSearch = "EMS快递查询";
URL url = new URL("/ems.php");
HttpURLConnection conn = (HttpURLConnection) url.openConnection();
conn.setRequestMethod("POST");// 提交模式
// conn.setConnectTimeout(10000);//连接超时 单位毫秒
// conn.setReadTimeout(2000);//读取超时 单位毫秒
conn.setDoOutput(true);// 是否输入参数
StringBuffer params = new StringBuffer();
// 表单参数与get形式一样
params.append("wen").append("=").append(wen).append("&")
.append("btnSearch").append("=").append(btnSearch);
byte[] bypes = params.toString().getBytes();
conn.getOutputStream().write(bypes);// 输入参数
InputStream inStream=conn.getInputStream();
System.out.println(new String(StreamTool.readInputStream(inStream), "gbk"));
}
}
封装后的代码：
/**
* 通过HttpURLConnection模拟post表单提交
*
* @param path
* @param params 例如"name=zhangsan&age=21"
* @return
* @throws Exception
*/
public static byte[] sendPostRequestByForm(String path, String params) throws Exception{
URL url = new URL(path);
HttpURLConnection conn = (HttpURLConnection) url.openConnection();
conn.setRequestMethod("POST");// 提交模式
// conn.setConnectTimeout(10000);//连接超时 单位毫秒
// conn.setReadTimeout(2000);//读取超时 单位毫秒
conn.setDoOutput(true);// 是否输入参数
byte[] bypes = params.toString().getBytes();
conn.getOutputStream().write(bypes);// 输入参数
InputStream inStream=conn.getInputStream();
return StreamTool.readInputStream(inStream);
}
package com.hrtx.util;
import java.io.ByteArrayOutputStream;
import java.io.InputStream;
public class StreamTool {
/**
* 从输入流中读取数据
* @param inStream
* @return
* @throws Exception
*/
public static byte[] readInputStream(InputStream inStream) throws Exception{
ByteArrayOutputStream outStream = new ByteArrayOutputStream();
byte[] buffer = new byte[1024];
int len = 0;
while( (len = inStream.read(buffer)) !=-1 ){
outStream.write(buffer, 0, len);
}
byte[] data = outStream.toByteArray();//网页的二进制数据
outStream.close();
inStream.close();
return data;
}
}
