# Python3 将GBK转换成utf-8编码，明天继续实现，把*.java文件 *.porperties文件都转成utf-8
import os, chardet, codecs

def ReadFile(filePath, encoding="gbk"):
    with codecs.open(filePath, "r", encoding) as f:
        return f.read()
 
def WriteFile(filePath, u, encoding="utf-8"):
    with codecs.open(filePath, "w", encoding) as f:
        f.write(u)
 
def GBK_2_UTF8(src, dst):
#     检测编码
    f = open(src, "rb")
    coding = chardet.detect(f.read())["encoding"]
    f.close()
    if coding != "utf-8":
        content = ReadFile(src, encoding=coding)
        WriteFile(dst, content, encoding="utf-8")
        try:
            print(src + "  " + coding + " to utf-8  converted!")
        except Exception:
            print("print error")

# 递归遍历rootdir目录，把目录中的*.java编码由gbk转换为utf-8
def ReadDirectoryFile(rootdir):
    for parent, dirnames, filenames in os.walk(rootdir):
            # case 1:
            for dirname in dirnames:
#                     print("folder is:" + os.path.join(parent, dirname))
                    ReadDirectoryFile(dirname)
            # case 2
            for filename in filenames:    
#                     print("filename with full path:" + os.path.join(parent, filename))
                    if filename.endswith(".java"):
                            GBK_2_UTF8(os.path.join(parent, filename), os.path.join(parent, filename))
if __name__ == "__main__":
    src_path = "D:/liuyuqi/twtech/github/q 前端/java-note/notepadpp"
    ReadDirectoryFile(src_path)