YOUTA,我编译了一下,怎么报错啊,刚学JAVA,不太懂,下面是错误列表C:\DOCUME~1\ADMINI~1\MYDOCU~1>javac GetSample.java GetSample.java:3: package org.apache.commons.httpclient does not exist import org.apache.commons.httpclient.*; ^ GetSample.java:4: package org.apache.commons.httpclient.methods does not exist import org.apache.commons.httpclient.methods.GetMethod; ^ GetSample.java:5: package org.apache.commons.httpclient.params does not exist import org.apache.commons.httpclient.params.HttpMethodParams; ^ GetSample.java:10: cannot find symbol symbol : class HttpClient location: class test.GetSample HttpClient httpClient = new HttpClient(); ^ GetSample.java:10: cannot find symbol symbol : class HttpClient location: class test.GetSample HttpClient httpClient = new HttpClient(); ^ GetSample.java:12: cannot find symbol symbol : class GetMethod location: class test.GetSample GetMethod getMethod = new GetMethod("http://www.kjlink.com"); ^ GetSample.java:12: cannot find symbol symbol : class GetMethod location: class test.GetSample GetMethod getMethod = new GetMethod("http://www.kjlink.com"); ^ GetSample.java:14: cannot find symbol symbol : variable HttpMethodParams location: class test.GetSample getMethod.getParams().setParameter(HttpMethodParams.RETRY_HANDLER, ^ GetSample.java:15: cannot find symbol symbol : class DefaultHttpMethodRetryHandler location: class test.GetSample new DefaultHttpMethodRetryHandler()); ^ GetSample.java:19: cannot find symbol symbol : variable HttpStatus location: class test.GetSample if (statusCode != HttpStatus.SC_OK) { ^ GetSample.java:27: cannot find symbol symbol : class HttpException location: class test.GetSample } catch (HttpException e) { ^ 11 errors
给你一个简单的例子
上网搜一下HttpClient有很多
里面有POST GET 方法
package test;
import java.io.IOException;
import org.apache.commons.httpclient.*;
import org.apache.commons.httpclient.methods.GetMethod;
import org.apache.commons.httpclient.params.HttpMethodParams;public class GetSample{
public static void main(String[] args) {
//构造HttpClient的实例
HttpClient httpClient = new HttpClient();
//创建GET方法的实例
GetMethod getMethod = new GetMethod("http://www.ibm.com");
//使用系统提供的默认的恢复策略
getMethod.getParams().setParameter(HttpMethodParams.RETRY_HANDLER,
new DefaultHttpMethodRetryHandler());
try {
//执行getMethod
int statusCode = httpClient.executeMethod(getMethod);
if (statusCode != HttpStatus.SC_OK) {
System.err.println("Method failed: "
+ getMethod.getStatusLine());
}
//读取内容
byte[] responseBody = getMethod.getResponseBody();
//处理内容
System.out.println(new String(responseBody));
} catch (HttpException e) {
//发生致命的异常,可能是协议不对或者返回的内容有问题
System.out.println("Please check your provided http address!");
e.printStackTrace();
} catch (IOException e) {
//发生网络异常
e.printStackTrace();
} finally {
//释放连接
getMethod.releaseConnection();
}
}
}
GetSample.java:3: package org.apache.commons.httpclient does not exist
import org.apache.commons.httpclient.*;
^
GetSample.java:4: package org.apache.commons.httpclient.methods does not exist
import org.apache.commons.httpclient.methods.GetMethod;
^
GetSample.java:5: package org.apache.commons.httpclient.params does not exist
import org.apache.commons.httpclient.params.HttpMethodParams;
^
GetSample.java:10: cannot find symbol
symbol : class HttpClient
location: class test.GetSample
HttpClient httpClient = new HttpClient();
^
GetSample.java:10: cannot find symbol
symbol : class HttpClient
location: class test.GetSample
HttpClient httpClient = new HttpClient();
^
GetSample.java:12: cannot find symbol
symbol : class GetMethod
location: class test.GetSample
GetMethod getMethod = new GetMethod("http://www.kjlink.com");
^
GetSample.java:12: cannot find symbol
symbol : class GetMethod
location: class test.GetSample
GetMethod getMethod = new GetMethod("http://www.kjlink.com");
^
GetSample.java:14: cannot find symbol
symbol : variable HttpMethodParams
location: class test.GetSample
getMethod.getParams().setParameter(HttpMethodParams.RETRY_HANDLER,
^
GetSample.java:15: cannot find symbol
symbol : class DefaultHttpMethodRetryHandler
location: class test.GetSample
new DefaultHttpMethodRetryHandler());
^
GetSample.java:19: cannot find symbol
symbol : variable HttpStatus
location: class test.GetSample
if (statusCode != HttpStatus.SC_OK) {
^
GetSample.java:27: cannot find symbol
symbol : class HttpException
location: class test.GetSample
} catch (HttpException e) {
^
11 errors
包没加载进来。