java发送 http get请求 ,请求数据类型为x-www-form-urlencoded
时间: 2023-10-24 18:55:02 浏览: 191
可以使用 Java 中的 HttpURLConnection 类来发送 x-www-form-urlencoded 格式的 HTTP GET 请求。以下是一个示例代码:
```
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;
import java.net.URLEncoder;
public class HttpGetExample {
public static void main(String[] args) {
try {
String url = "http://example.com/api";
String query = "param1=" + URLEncoder.encode("value1", "UTF-8") +
"¶m2=" + URLEncoder.encode("value2", "UTF-8");
URL apiUrl = new URL(url + "?" + query);
HttpURLConnection conn = (HttpURLConnection) apiUrl.openConnection();
conn.setRequestMethod("GET");
conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
BufferedReader in = new BufferedReader(new InputStreamReader(conn.getInputStream()));
String inputLine;
StringBuilder response = new StringBuilder();
while ((inputLine = in.readLine()) != null) {
response.append(inputLine);
}
in.close();
System.out.println(response.toString());
} catch (Exception e) {
e.printStackTrace();
}
}
}
```
在上面的代码中,我们首先将参数编码成 x-www-form-urlencoded 格式的字符串,然后将其附加到 URL 的末尾。接着,我们创建一个 HttpURLConnection 对象,并设置请求方法为 GET。然后,我们设置 Content-Type 请求头为 application/x-www-form-urlencoded。最后,我们读取响应并输出结果。
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