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增加sendGet和sendPost方法

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zhuangqian 2016-09-20 10:55:03 +08:00
parent 27e5ff8524
commit 881a1bd811
1 changed files with 132 additions and 0 deletions
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132
src/main/java/com/smallchill/core/toolbox/kit/HttpKit.java
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@ -15,6 +15,15 @@
*/
package com.smallchill.core.toolbox.kit;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.net.URL;
import java.net.URLConnection;
import java.util.List;
import java.util.Map;
import javax.servlet.http.HttpServletRequest;
import org.springframework.web.context.request.RequestContextHolder;
@ -24,9 +33,132 @@ import com.smallchill.core.toolbox.support.WafRequestWrapper;
public class HttpKit {
/**
* 获取 包装防Xss Sql注入的 HttpServletRequest
* @return request
*/
public static HttpServletRequest getRequest() {
HttpServletRequest request = ((ServletRequestAttributes) RequestContextHolder.getRequestAttributes()).getRequest();
return new WafRequestWrapper(request);
}
/**
* 向指定URL发送GET方法的请求
*
* @param url 发送请求的URL
* @param param 请求参数
* @return URL 所代表远程资源的响应结果
*/
public static String sendGet(String url, Map<String, String> param) {
String result = "";
BufferedReader in = null;
try {
String para = "";
for (String key : param.keySet()) {
para += (key + "=" + param.get(key) + "&");
}
if (para.lastIndexOf("&") > 0) {
para = para.substring(0, para.length() - 1);
}
String urlNameString = url + "?" + para;
URL realUrl = new URL(urlNameString);
// 打开和URL之间的连接
URLConnection connection = realUrl.openConnection();
// 设置通用的请求属性
connection.setRequestProperty("accept", "*/*");
connection.setRequestProperty("connection", "Keep-Alive");
connection.setRequestProperty("user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
// 建立实际的连接
connection.connect();
// 获取所有响应头字段
Map<String, List<String>> map = connection.getHeaderFields();
// 遍历所有的响应头字段
for (String key : map.keySet()) {
System.out.println(key + "--->" + map.get(key));
}
// 定义 BufferedReader输入流来读取URL的响应
in = new BufferedReader(new InputStreamReader(connection.getInputStream()));
String line;
while ((line = in.readLine()) != null) {
result += line;
}
} catch (Exception e) {
System.out.println("发送GET请求出现异常！" + e);
e.printStackTrace();
}
// 使用finally块来关闭输入流
finally {
try {
if (in != null) {
in.close();
}
} catch (Exception e2) {
e2.printStackTrace();
}
}
return result;
}
/**
* 向指定 URL 发送POST方法的请求
*
* @param url 发送请求的 URL
* @param param 请求参数
* @return 所代表远程资源的响应结果
*/
public static String sendPost(String url, Map<String, String> param) {
PrintWriter out = null;
BufferedReader in = null;
String result = "";
try {
String para = "";
for (String key : param.keySet()) {
para += (key + "=" + param.get(key) + "&");
}
if (para.lastIndexOf("&") > 0) {
para = para.substring(0, para.length() - 1);
}
String urlNameString = url + "?" + para;
URL realUrl = new URL(urlNameString);
// 打开和URL之间的连接
URLConnection conn = realUrl.openConnection();
// 设置通用的请求属性
conn.setRequestProperty("accept", "*/*");
conn.setRequestProperty("connection", "Keep-Alive");
conn.setRequestProperty("user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
// 发送POST请求必须设置如下两行
conn.setDoOutput(true);
conn.setDoInput(true);
// 获取URLConnection对象对应的输出流
out = new PrintWriter(conn.getOutputStream());
// 发送请求参数
out.print(param);
// flush输出流的缓冲
out.flush();
// 定义BufferedReader输入流来读取URL的响应
in = new BufferedReader(new InputStreamReader(conn.getInputStream()));
String line;
while ((line = in.readLine()) != null) {
result += line;
}
} catch (Exception e) {
System.out.println("发送 POST 请求出现异常！" + e);
e.printStackTrace();
}
// 使用finally块来关闭输出流、输入流
finally {
try {
if (out != null) {
out.close();
}
if (in != null) {
in.close();
}
} catch (IOException ex) {
ex.printStackTrace();
}
}
return result;
}
}