发送短信验证码
package com.example.demo;import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.io.PrintWriter;import java.net.URL;import java.net.URLConnection;publicclass PostUtil {/** * 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,请求参数应该是name1=value1&name2=value2的形式。
*
@return URL所代表远程资源的响应*/publicstatic String sendPost(String url, String param) {
PrintWriter out = null;
BufferedReader in = null;
String result = "";
try {
URL realUrl = new URL(url);
// 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)");
conn.setRequestProperty("Authorization","APPCODE 阿里云的");
// 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 += "/n" + 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;
}
// 提供主方法,测试发送GET请求和POST请求
publicstaticvoid main(String args[])
{
String s1 = PostUtil.sendPost("http://dingxin.market.alicloudapi.com/dx/sendSms","mobile=手机号¶m=code:6666&tpl_id=TP1711063");
System.out.println(s1);
}
}
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