cd ejs 执行如下命令: ` /c/Qt/Qt5.14.1/Tools/mingw730_64/bin/gcc.exe -std=c99 main.c ../thirds/cjson/cJSON.c -DQMAKE_TARGET=\"ejs\" -DQMAKE_VERSION=\"1.0\" -L ../lib/x86_64-windows-mingw -l:libejs.a -I ../include/ -I ../thirds/cjson/ -o ejs.exe`