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Sometimes, in the actual development, sometimes it is necessary to access certain pages through network settings. However, some software will not forward all requests, but will only forward requests that pass through the corresponding port. Then, if the program does not do processing, there is no way to access the page through the software. This blog mainly explains and solves this situation.
surroundings
| software | version |
|---|---|
| JDK | 1.8 |
text
At the beginning of the program, add the following code, mainly about the ip and port of vpn
System.setProperty("http.proxySet", "true");
System.setProperty("http.proxyHost", "127.0.0.1");
System.setProperty("http.proxyPort", "7890");
System.setProperty("https.proxySet", "true");
System.setProperty("https.proxyHost", "127.0.0.1");
System.setProperty("https.proxyPort", "7890");
System.setProperty("socket.proxySet", "true");
System.setProperty("socket.proxyHost", "127.0.0.1");
System.setProperty("socket.proxyPort", "7890");
I looked it up on the Internet before, and basically there is only HTTP configuration, but now many applications are already HTTPS . Therefore, the configuration must be complete to take effect.
to sum up
By setting environment variables, you can visit the corresponding website through the network software.
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