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29 lines
1.4 KiB
29 lines
1.4 KiB
package com.utils; // 声明工具类所在包
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import java.io.BufferedReader; // 导入缓冲字符输入流
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import java.io.InputStreamReader; // 导入字节流转字符流
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import java.net.HttpURLConnection; // 导入HTTP连接类
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import java.net.URL; // 导入URL处理类
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public class HttpClientUtils { // HTTP客户端工具类
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public static String doGet(String uri) { // GET请求方法
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StringBuilder result = new StringBuilder(); // 创建结果字符串构建器
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try {
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String res = ""; // 初始化响应字符串
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URL url = new URL(uri); // 创建URL对象
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HttpURLConnection conn = (HttpURLConnection) url.openConnection(); // 打开HTTP连接
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BufferedReader in = new BufferedReader( // 创建缓冲读取器
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new InputStreamReader(conn.getInputStream(), "UTF-8")); // 使用UTF-8编码读取输入流
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String line; // 声明行字符串变量
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while ((line = in.readLine()) != null) { // 逐行读取响应内容
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res += line+"\n"; // 拼接每行内容并换行
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}
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in.close(); // 关闭输入流
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return res; // 返回响应结果
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} catch (Exception e) { // 异常处理
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e.printStackTrace(); // 打印异常堆栈
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return null; // 返回空值
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}
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}
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} |