本人写的JAVA环境变量一键设置工具，可自动检测JDK的安装路径，并添加全部的环境变量，并且即时生效，无需注销或重启电脑，非常方便，带win32窗口，傻瓜操作，源码在此。-I wrote a JAVA environment variable settings key tool that automatically detects the JDK installation path, and add all of the environmental variables, and with imm