收集整理了各种通过JAVASCRIPT编码解码工具 支持转换的有 \uXXXX \UXXXXXXXX &#DDDD; &#xXXXX; \xXX \OOO Base64 Quoted-printable MIME + Base64 MIME + Quoted-printable 如输入：测试CSDN 结果为： 测试CSDN \uXXXX \u6D4B\u8BD5\u0043\u0053\u0044\u004E \UXXXXXXXX \U00006D4B\U00008BD5\U00000043\U00000053\U00000044\U0000004E &#DDDD; 测试CSDN &#xXXXX; 测试CSDN Punycode \xXX \xE6\xB5\x8B\xE8\xAF\x95\x43\x53\x44\x4E \OOO \346\265\213\350\257\225\103\123\ 104\116 Base64 5rWL6K+VQ1NETg== Quoted-printable =E6=B5=8B=E8=AF=95CSDN URL 测试CSDN MIME + Base64 =?UTF-8?B?5rWL6K+VQ1NETg==?= MIME + Quoted-printable =?UTF-8?Q?=E6=B5=8B=E8=AF=95CSDN?=