GET请求时url参数中含有#，+，=，%，&，/，?，空格等特殊字符，无法获得正确的参数值, 特殊字符都必须进行编码，从而不至于混淆, url编码的字符对应表:https://blog.csdn.net/kesalin/article/details/555006?ops_request_misc=%257B%2522request%255Fid%2522%253A%2522167963023516800197088032%2522%252C%2522scm%2522%253A%252220140713.130102334..%2522%257D&request_id=167963023516800197088032&biz_id=0&utm_medium=distribute.pc_search_result.none-task-blog-2~all~sobaiduend~default-1-555006-null-null.142^v76^insert_down38,201^v4^add_ask,239^v2^insert_chatgpt&utm_term=url%E7%89%B9%E6%AE%8A%E5%AD%97%E7%AC%A6%E7%BC%96%E7%A0%81%E5%AF%B9%E7%85%A7%E8%A1%A8&spm=1018.2226.3001.4187