现场还原
如下： response.setHeader("Accept-Charset", "utf-8,big5, big5-hkscs, ...) 设置这种响应头。完整代码——
package com.kanq.cqsj.es.demo.basic.controller;
import io.netty.util.internal.StringUtil;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;
import javax.servlet.http.HttpServletResponse;
import java.math.BigInteger;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
@Controller
public class Test {
/**
* sm4加密
*/
@GetMapping("/gjptsm4/encode")
@ResponseBody
public String encodeGjptSm42(@RequestParam String djmstr, HttpServletResponse response) {
response.setHeader("Custom-Header", "Header Value");
response.setHeader("Accept-Charset", "utf-8,big5, big5-hkscs, cesu-8, euc-jp, euc-kr, gb18030, gb2312, gbk, ibm-thai, ibm00858, ibm01140, ibm01141, ibm01142, ibm01143, ibm01144, ibm01145, ibm01146, ibm01147, ibm01148, ibm01149, ibm037, ibm1026, ibm1047, ibm273, ibm277, ibm278, ibm280, ibm284, ibm285, ibm290, ibm297, ibm420, ibm424, ibm437, ibm500, ibm775, ibm850, ibm852, ibm855, ibm857, ibm860, ibm861, ibm862, ibm863, ibm864, ibm865, ibm866, ibm868, ibm869, ibm870, ibm871, ibm918, iso-2022-cn, iso-2022-jp, iso-2022-jp-2, iso-2022-kr, iso-8859-1, iso-8859-13, iso-8859-15, iso-8859-2, iso-8859-3, iso-8859-4, iso-8859-5, iso-8859-6, iso-8859-7, iso-8859-8, iso-8859-9, jis_x0201, jis_x0212-1990, koi8-r, koi8-u, shift_jis, tis-620, us-ascii, utf-16, utf-16be, utf-16le, utf-32, utf-32be, utf-32le, windows-1250, windows-1251, windows-1252, windows-1253, windows-1254, windows-1255, windows-1256, windows-1257, windows-1258, windows-31j, x-big5-hkscs-2001, x-big5-solaris, x-euc-jp-linux, x-euc-tw, x-eucjp-open, x-ibm1006, x-ibm1025, x-ibm1046, x-ibm1097, x-ibm1098, x-ibm1112, x-ibm1122, x-ibm1123, x-ibm1124, x-ibm1166, x-ibm1364, x-ibm1381, x-ibm1383, x-ibm300, x-ibm33722, x-ibm737, x-ibm833, x-ibm834, x-ibm856, x-ibm874, x-ibm875, x-ibm921, x-ibm922, x-ibm930, x-ibm933, x-ibm935, x-ibm937, x-ibm939, x-ibm942, x-ibm942c, x-ibm943, x-ibm943c, x-ibm948, x-ibm949, x-ibm949c, x-ibm950, x-ibm964, x-ibm970, x-iscii91, x-iso-2022-cn-cns, x-iso-2022-cn-gb, x-iso-8859-11, x-jis0208, x-jisautodetect, x-johab, x-macarabic, x-maccentraleurope, x-maccroatian, x-maccyrillic, x-macdingbat, x-macgreek, x-machebrew, x-maciceland, x-macroman, x-macromania, x-macsymbol, x-macthai, x-macturkish, x-macukraine, x-ms932_0213, x-ms950-hkscs, x-ms950-hkscs-xp, x-mswin-936, x-pck, x-sjis_0213, x-utf-16le-bom, x-utf-32be-bom, x-utf-32le-bom, x-windows-50220, x-windows-50221, x-windows-874, x-windows-949, x-windows-950, x-windows-iso2022jp");
System.out.println("加密内容："+djmstr);
if(StringUtil.isNullOrEmpty(djmstr) || StringUtil.isNullOrEmpty(djmstr.trim())) {
return "";
}
String result = encrypt(djmstr);
if (StringUtil.isNullOrEmpty(result)) {
//如果需要加密字符不为空返回原加密字符
if(!StringUtil.isNullOrEmpty(djmstr)) {
return djmstr;
}
return "";
} else {
return "v^`A4QcWiyNYbZ6Yud9QzhUwxA==" ;
}
}
public static String encrypt(String strToEncrypt) {
try {
MessageDigest md = MessageDigest.getInstance("MD5");
byte[] messageDigest = md.digest(strToEncrypt.getBytes());
BigInteger no = new BigInteger(1, messageDigest);
String hashText = no.toString(16);
while (hashText.length() < 32) {
hashText = "0" + hashText;
}
return hashText;
} catch (NoSuchAlgorithmException e) {
System.out.println("Error while encrypting: " + e.toString());
}
return null;
}
}
使用DM8的utl_http函数
utl_http使用过程中，如果调用的接口响应头如上，那么就会导致实例崩溃！
解决办法
手动指定响应头为utf-8：
response.setHeader("Accept-Charset", "utf-8");
