How to solve the problem of ajax garbled code

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After looking for some resources on the Internet, I realized that this is a coding problem. The data sent by my server is GB2312-encoded, while AJAX treats all the received data as UTF-8-encoded.

Many solutions on the Internet are based on PHP, JSP and so on on the server side, so it is relatively simple to change these coding methods. But my server side is written in C CGI program, used in embedded systems, all the output is using printf.

Finally, a header file under linux is found, which implements the conversion of various encodings. The method of use is as follows:

Int Gb2312toUtf8 (char * inbuf,char * outbuf) {# ifdef ISCHANGEiconv_t cd;int inlen,outlen;inlen=strlen (inbuf); / / gets the length of the input string outlen=100;// output string length. Char * * pin=&inbuf;char * * pout=&outbuf;cd=iconv_open ("utf-8", "gb2312"); / / set to GB2312 to UTF-8if (cd==0) return-1 politics memset (outbuf,0,outlen); if (iconv (cd,pin,&inlen,pout,&outlen) = =-1) return-1 iconvystals close (cd); # elseStrcpy (outbuf,inbuf); # endifreturn 0;}

In this way, the content to be output is converted and then output, and there will be no garbled code.

However, the first page output is the same as the later AJAX request output, and the first output appears garbled after the conversion, so I added a macro definition and added # define ISCHANGE 1 when compiling the AJAX output program, so it can be displayed correctly.

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