java 网络代理

j8

String proxyHost = "127.0.0.1";
String proxyPort = "8080";
System.setProperty("http.proxyHost", proxyHost);
System.setProperty("http.proxyPort", proxyPort);
System.setProperty("https.proxyHost", proxyHost);
System.setProperty("https.proxyPort", proxyPort);

j17

System.setProperty("java.net.useSystemProxies", "true");

D:\application\java\jdk-17\conf\net.properties
java.net.useSystemProxies=true