1.result.replace("abc","bcd");错误 改成result= result.relace("abc","bcd"); 2.integer.valueof()返回的是int,不是string 相关文章: 2022-12-23 2022-12-23 2022-12-23 2022-12-23 2022-12-23 2022-12-23 2021-12-06 2022-12-23