The output should be "I abc" instead of "I ABC + Han half"
Source: Internet
Author: User
Import java. Io. unsupportedencodingexception;
Public class strspliter {
/**
* Compile a function to intercept a string. The input is a string and the number of characters, and the output is a byte string. However, to ensure that no half of Chinese characters are cut, for example, "my ABC" 4, it should be cut to "my AB ",
* Input "my ABC Han Def", and 6 should be output as "my ABC" instead of "half of my ABC + Han ".
*
* @ Param ARGs
*/
Public static void main (string ARGs []) {
Splitit ("My ABC's def is a Mage", 12 );
}
Public static void splitit (string STR, int bytes ){
Int hanzibytes = 0;
Int interceptbytes = 0;
Byte strbyte [] = NULL;
Try {
Strbyte = Str. getbytes ("GBK"); // the GBK Chinese Character occupies 2 bytes
// Strbyte = Str. getbytes ("UTF-8"); // UTF-8 Chinese characters occupy 3 bytes
} Catch (unsupportedencodingexception e ){
// Todo auto-generated Catch Block
E. printstacktrace ();
}
System. Out. println ("untruncated String Length:" + strbyte. Length );
For (INT I = 0; I <bytes; I ++ ){
If (strbyte [I] <0 ){
Hanzibytes ++;
}
}
// When the number of Chinese characters is an even number of bytes, It is intercepted by the total number of bytes. If the number of Chinese characters is an odd number, the total number of bytes is-1.
Interceptbytes = (hanzibytes % 2 = 0 )? Bytes: bytes-1;
/* If (hanzibytes % 3 = 0) {// judgment used by the UTF-8
Interceptbytes = bytes;
} Else if (hanzibytes % 3 = 1 ){
Interceptbytes = bytes-1;
} Else if (hanzibytes % 3 = 2 ){
Interceptbytes = bytes-2;
}*/
Try {
System. Out. println ("screenshot Result:" + new string (strbyte, 0, interceptbytes, "GBK "));
// System. Out. println ("truncated:" + new string (strbyte, 0, interceptbytes, "UTF-8 "));
} Catch (unsupportedencodingexception e ){
E. printstacktrace ();
}
}
}
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