如何呼叫http介面通過get()/post()方法傳參
阿新 • • 發佈:2018-12-27
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;
public class test {
/**
* 向指定URL傳送GET方法的請求
* @param url 傳送請求的URL
* @param param 請求引數,請求引數應該是name1=value1&name2=value2的形式。
* @return URL所代表遠端資源的響應
*/
public static String sendGet(String url, String param) {
String result = "";
BufferedReader in = null;
try {
String urlName = url + "?" + param;
URL realUrl = new URL(urlName);
//開啟和URL之間的連線
URLConnection conn = realUrl.openConnection();
//設定通用的請求屬性
conn.setRequestProperty("accept", "*/*");
conn.setRequestProperty("connection", "Keep-Alive");
conn.setRequestProperty("user-agent",
"Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)");
//建立實際的連線
conn.connect();
//獲取所有響應頭欄位
Map < String, List < String >> map = conn.getHeaderFields();
//遍歷所有的響應頭欄位
for (String key: map.keySet()) {
System.out.println(key + "--->" + map.get(key));
}
//定義BufferedReader輸入流來讀取URL的響應
in = new BufferedReader(new InputStreamReader(conn.getInputStream()));
String line;
while ((line = in .readLine()) != null) {
result += "/n" + line;
}
} catch (Exception e) {
System.out.println("傳送GET請求出現異常!" + e);
e.printStackTrace();
}
//使用finally塊來關閉輸入流
finally {
try {
if ( in != null) { in .close();
}
} catch (IOException ex) {
ex.printStackTrace();
}
}
return result;
}
/**
* @param args
*/
/**
* 向指定URL傳送POST方法的請求
* @param url 傳送請求的URL
* @param param 請求引數,請求引數應該是name1=value1&name2=value2的形式。
* @return URL所代表遠端資源的響應
*/
public static String sendPost(String url, String param) {
PrintWriter out = null;
BufferedReader in = null;
String result = "";
try {
URL realUrl = new URL(url);
//開啟和URL之間的連線
URLConnection conn = realUrl.openConnection();
//設定通用的請求屬性
conn.setRequestProperty("accept", "*/*");
conn.setRequestProperty("connection", "Keep-Alive");
conn.setRequestProperty("user-agent",
"Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)");
//傳送POST請求必須設定如下兩行
conn.setDoOutput(true);
conn.setDoInput(true);
//獲取URLConnection物件對應的輸出流
out = new PrintWriter(conn.getOutputStream());
//傳送請求引數
out.print(param);
//flush輸出流的緩衝
out.flush();
//定義BufferedReader輸入流來讀取URL的響應
in = new BufferedReader(
new InputStreamReader(conn.getInputStream()));
String line;
while ((line = in .readLine()) != null) {
result += "/n" + line;
}
} catch (Exception e) {
System.out.println("傳送POST請求出現異常!" + e);
e.printStackTrace();
}
//使用finally塊來關閉輸出流、輸入流
finally {
try {
if (out != null) {
out.close();
}
if ( in != null) { in .close();
}
} catch (IOException ex) {
ex.printStackTrace();
}
}
return result;
}
public static void main(String[] args) {
// TODO Auto-generated method stub
String URL="http://dx.ipyy.net/smsJson.aspx";
String account="kehu888";
String password="123456";
String mobile="13716202033";
String content="【e美商城】您此次註冊的驗證碼為:123456";
String param ="action=send&userid=&account="+account+"&password="+password+"&mobile="+mobile+"&content="+content+"&sendTime=&extno=";
//傳送POST請求
String s1 = test.sendPost(URL ,
param);
System.out.println(s1);
}
}
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;
public class test {
/**
* 向指定URL傳送GET方法的請求
* @param url 傳送請求的URL
* @param param 請求引數,請求引數應該是name1=value1&name2=value2的形式。
* @return URL所代表遠端資源的響應
*/
public static String sendGet(String url, String param) {
String result = "";
BufferedReader in = null;
try {
String urlName = url + "?" + param;
URL realUrl = new URL(urlName);
//開啟和URL之間的連線
URLConnection conn = realUrl.openConnection();
//設定通用的請求屬性
conn.setRequestProperty("accept", "*/*");
conn.setRequestProperty("connection", "Keep-Alive");
conn.setRequestProperty("user-agent",
"Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)");
//建立實際的連線
conn.connect();
//獲取所有響應頭欄位
Map < String, List < String >> map = conn.getHeaderFields();
//遍歷所有的響應頭欄位
for (String key: map.keySet()) {
System.out.println(key + "--->" + map.get(key));
}
//定義BufferedReader輸入流來讀取URL的響應
in = new BufferedReader(new InputStreamReader(conn.getInputStream()));
String line;
while ((line = in .readLine()) != null) {
result += "/n" + line;
}
} catch (Exception e) {
System.out.println("傳送GET請求出現異常!" + e);
e.printStackTrace();
}
//使用finally塊來關閉輸入流
finally {
try {
if ( in != null) { in .close();
}
} catch (IOException ex) {
ex.printStackTrace();
}
}
return result;
}
/**
* @param args
*/
/**
* 向指定URL傳送POST方法的請求
* @param url 傳送請求的URL
* @param param 請求引數,請求引數應該是name1=value1&name2=value2的形式。
* @return URL所代表遠端資源的響應
*/
public static String sendPost(String url, String param) {
PrintWriter out = null;
BufferedReader in = null;
String result = "";
try {
URL realUrl = new URL(url);
//開啟和URL之間的連線
URLConnection conn = realUrl.openConnection();
//設定通用的請求屬性
conn.setRequestProperty("accept", "*/*");
conn.setRequestProperty("connection", "Keep-Alive");
conn.setRequestProperty("user-agent",
"Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)");
//傳送POST請求必須設定如下兩行
conn.setDoOutput(true);
conn.setDoInput(true);
//獲取URLConnection物件對應的輸出流
out = new PrintWriter(conn.getOutputStream());
//傳送請求引數
out.print(param);
//flush輸出流的緩衝
out.flush();
//定義BufferedReader輸入流來讀取URL的響應
in = new BufferedReader(
new InputStreamReader(conn.getInputStream()));
String line;
while ((line = in .readLine()) != null) {
result += "/n" + line;
}
} catch (Exception e) {
System.out.println("傳送POST請求出現異常!" + e);
e.printStackTrace();
}
//使用finally塊來關閉輸出流、輸入流
finally {
try {
if (out != null) {
out.close();
}
if ( in != null) { in .close();
}
} catch (IOException ex) {
ex.printStackTrace();
}
}
return result;
}
public static void main(String[] args) {
// TODO Auto-generated method stub
String URL="http://dx.ipyy.net/smsJson.aspx";
String account="kehu888";
String password="123456";
String mobile="13716202033";
String content="【e美商城】您此次註冊的驗證碼為:123456";
String param ="action=send&userid=&account="+account+"&password="+password+"&mobile="+mobile+"&content="+content+"&sendTime=&extno=";
//傳送POST請求
String s1 = test.sendPost(URL ,
param);
System.out.println(s1);
}
}