#include "stdio.h" main() { char a[10] = "123456"; char b[10] ; sprintf(b,"%s",a); printf("%s\n",b);//输出为123456 return 0; } main(){ int a = 123456; char s[10]; sprintf(s,"%d",a); printf("%s\n",s);//输出123456} sprintf(b,"%s",a)将a数据输出到b输出格式为%s