获取URL对象,new出来,构造参数:String的路径
调用URL对象的openConnection()方法,获取URLConnection对象
调用URLConnection对象的getInputStream()方法,获取输入流InputStream对象
读取输出流
import java.io.InputStream;
import java.net.URL;
import java.net.URLConnection;
public class UrlDemo {
/**
* @param args
*/
public static void main(String[] args) {
try {
URL url=new URL("http://www.baidu.com");
URLConnection conn=url.openConnection();
InputStream is=conn.getInputStream();
byte[] buf=new byte[1024];
int len=0;
StringBuilder sb = new StringBuilder();
while((len=is.read(buf))!=-1){
sb.append(new String(buf,0,len));
}
System.out.println(sb.toString());
} catch (Exception e) {
e.printStackTrace();
}
}
}
PHP版:
调用函数fopen()方法,获取到输入流资源,参数:String路径,String的’r’读
循环读取,条件:feof()读取到末尾不为真
调用fgets()方法,读取一行获取到String,参数:流资源,长度
<?php
class UrlDemo{
public static function main(){
$url="http://www.baidu.com";
$fp=fopen($url,'r');
$buf=1024;
$str="";
while(!feof($fp)){
$str.=fgets($fp,$buf);
}
echo $str;
}
}
UrlDemo::main();