项目结构调整
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@@ -14,6 +14,18 @@ import org.apache.http.util.EntityUtils;
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import java.io.IOException;
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import java.util.Map;
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import org.apache.logging.log4j.LogManager;
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import org.apache.logging.log4j.Logger;
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import java.io.BufferedReader;
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import java.io.IOException;
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import java.io.InputStreamReader;
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import java.io.PrintWriter;
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import java.net.URL;
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import java.net.URLConnection;
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import java.util.Iterator;
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import java.util.Map;
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/**
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* @author dimengzhe
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* @date 2021/7/1 14:23
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@@ -22,6 +34,72 @@ import java.util.Map;
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public class HttpUtils {
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private final Logger LOG = LogManager.getLogger(this.getClass());
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/**
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* 向指定 URL 发送POST方法的请求
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*
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* @param url 发送请求的 URL
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* @param paramMap 请求参数
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* @return 所代表远程资源的响应结果
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*/
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public static String doPost(String url, Map<String, ?> paramMap) {
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PrintWriter out = null;
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BufferedReader in = null;
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String result = "";
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String param = "";
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Iterator<String> it = paramMap.keySet().iterator();
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while (it.hasNext()) {
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String key = it.next();
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param += key + "=" + paramMap.get(key) + "&";
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}
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try {
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URL realUrl = new URL(url);
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// 打开和URL之间的连接
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URLConnection conn = realUrl.openConnection();
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// 设置通用的请求属性
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conn.setRequestProperty("accept", "*/*");
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conn.setRequestProperty("connection", "Keep-Alive");
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conn.setRequestProperty("Accept-Charset", "utf-8");
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conn.setRequestProperty("user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
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// 发送POST请求必须设置如下两行
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conn.setDoOutput(true);
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conn.setDoInput(true);
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// 获取URLConnection对象对应的输出流
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out = new PrintWriter(conn.getOutputStream());
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// 发送请求参数
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out.print(param);
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// flush输出流的缓冲
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out.flush();
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// 定义BufferedReader输入流来读取URL的响应
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in = new BufferedReader(new InputStreamReader(conn.getInputStream(), "UTF-8"));
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String line;
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while ((line = in.readLine()) != null) {
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result += line;
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}
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} catch (Exception e) {
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e.printStackTrace();
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}
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//使用finally块来关闭输出流、输入流
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finally {
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try {
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if (out != null) {
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out.close();
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}
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if (in != null) {
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in.close();
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}
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} catch (IOException ex) {
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ex.printStackTrace();
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}
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}
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return result;
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}
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/**
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* 向指定 URL 发送POST方法的请求(数据格式为json)
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*
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