char a[5][5]={{' ',' ','*',' ',' '},{' ','*',' ','*',' '},{'*',' ',' ',' ','*'},{' ','*',' ','*',' '},{' ',' ','*',' ',' '}};//char a[5][5]={'\0','\0','*','\0','\0','\0','*','\0','*','\0','*','\0','\0','\0','*','\0','*','\0','*','\0','\0','\0','*',' ',' '};这两个数组输出是一样的,但是'\0'又可以作为字符串结束标志,也就是字符串里的输入的空格键是当做字符结束标志,难道字符串里的空格必须用单个字符的方法输入进去么,看下图,空格键作为字符串结束标志