用C语言分割字符串 C语言如何分割字符串
c\u8bed\u8a00\u4e2d \u5982\u4f55\u5206\u5272\u5b57\u7b26\u4e32c\u8bed\u8a00\u4e2d\u6ca1\u6709 string class, \u5047\u5b9a\u4f60\u6307 char \u5b57\u7b26\u4e32\u3002
\u7528 sscanf \u65b9\u6cd5\u53ef\u4ee5\u5206\u5272\u3002
char str2[]="aa 123,bb 456,cc 789,dd 000";
\u6309\u9017\u53f7\u5206\u5272\u4e3a4 \u90e8\u5206\uff1a
aa 123
bb 456
cc 789
dd 000
-----------------
char str[]="aa,bb,cc,dd";
\u6309\u9017\u53f7\u5206\u5272\u4e3a4 \u90e8\u5206\uff1a
aa
bb
cc
dd
-------------------------
#include
main()
{
char str[]="aa,bb,cc,dd";
char str2[]="aa 123,bb 456,cc 789,dd 000";
char s[4][10];
int i;
sscanf(str,"%[^,],%[^,],%[^,],%[^,]",s[0],s[1],s[2],s[3]); // \u7b2c1\u79cd\u65b9\u6cd5
for (i=0;i<4;i++) printf("%s\n",s[i]);
sscanf(str2,"%[^,],%[^,],%[^,],%[^,]",s[0],s[1],s[2],s[3]); // \u7b2c1\u79cd\u65b9\u6cd5
for (i=0;i<4;i++) printf("%s\n",s[i]);
//-----------
for (i=0;i<strlen(str);i++) if (str[i]==',') str[i]=' '; // \u7b2c2\u79cd\u65b9\u6cd5--\u66ff\u6362\u6210\u7a7a\u683c\u5206\u9694
sscanf(str,"%s %s %s %s",s[0],s[1],s[2],s[3]);
for (i=0;i<4;i++) printf("%s\n",s[i]);
return 0;
}
\u3000\u3000\u53ef\u4ee5\u5199\u4e00\u4e2a\u5206\u5272\u51fd\u6570\uff0c\u7528\u4e8e\u5206\u5272\u6307\u4ee4\uff0c\u6bd4\u5982cat a.c\u6700\u540e\u4f1a\u88ab\u5206\u5272\u6210cat\u548ca.c\u4e24\u4e2a\u5b57\u7b26\u4e32\u3001mv a.c b.c\u6700\u540e\u4f1a\u88ab\u5206\u5272\u6210mv\u548ca.c\u548cb.c\u4e09\u4e2a\u5b57\u7b26\u4e32\u3002
\u3000\u3000\u53c2\u8003\u4ee3\u7801\u5982\u4e0b\uff1a
#include #include#define MAX_LEN 128void main(){ int i,length,ct=0,start = -1; char inputBuffer[MAX_LEN],*args[MAX_LEN]; strcpy(inputBuffer,"mv a.c b.c"); length=strlen(inputBuffer); for (i = 0; i <= length; i++) { switch (inputBuffer[i]){ case ' ': case '\t' : /* argument separators */ if(start != -1){ args[ct] = &inputBuffer[start]; /* set up pointer */ ct++; } inputBuffer[i] = '\0'; /* add a null char; make a C string */ start = -1; break; case '\0': /* should be the final char examined */ if (start != -1){ args[ct] = &inputBuffer[start]; ct++; } inputBuffer[i] = '\0'; args[ct] = NULL; /* no more arguments to this command */ break; default : /* some other character */ if (start == -1) start = i; } } printf("\u5206\u89e3\u4e4b\u540e\u7684\u5b57\u7b26\u4e32\u4e3a\uff1a\n"); for(i=0;i<ct;i++) printf("%s \n",args[i]);}
char delims_switchs[] = "|";
char *result_switchs = NULL;
result_switchs = strtok(szPortsMessage,delims_switchs);
while(result_switchs != NULL) {
printf( "result_switchs is \"%s\"\n",result_switchs);
char* tmp = result_switchs; ---------加一行，tmp＝分割后的第一个字符串
result_switchs = strtok(NULL,delims_switchs); result_switchs 已经等于分割后的第二个字符串了
char swinfo[100];
strcpy(swinfo,tmp); －－－－－－－－－－－－－－－－－－换成tmp
char delims_switch[] = ";";
char *result_switch = NULL;
result_switch = strtok(swinfo,delims_switch);
while(result_switch != NULL) {
printf( "result_switch is \"%s\"\n",result_switch);
result_switch = strtok(NULL,delims_switch);
}
}
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