nl_tokens: 获取文件字符串
pl_tokens: function getFileString ( filepath ) { if ( / (?:\/|\\)$ / . <mask> ( filepath ) || ! fs . existsSync ( filepath ) ) { console . log ( "\x1B[31mfile is not exist：" + f lepath + " x1B[0m"); return null ; } else { return fs . readFileSync ( filepath ) . toString ( ) } }