C 语言实例 - 将字符串写入文件 将字符串写入文件。 实例 #include stdio.h#include stdlib.h /* exit() 函数 */ int main(){ char sentence[1000]; FILE *fptr; fptr = fopen("dida100.txt", "w"); if(fptr == NULL) { printf("Error!"); exit(1); } printf("输入字符串:\n"); fgets(sentence, (sizeof sentence / sizeof sentence[0]), stdin); fprintf(fptr,"%s", sentence); fclose(fptr); return 0;} 尝试一下 输出结果为： 输入字符串:dida100.com 打开文件 dida100.txt: $ cat dida100.txt dida100.com