[求助]关于数字写入dat

Eastsun

1. //示例:将int,long写入data文件<BR>int x;<BR>long y;<BR>void write(){<BR>    char fp;<BR>    int a;<BR>    long b;<BR>    a=100;<BR>    b=-10000;<BR>    fp=fopen("temp.dat","w");<BR>    fwrite(&a,1,2,fp);<BR>    fwrite(&b,1,4,fp);<BR>    fclose(fp);<BR>}<BR>void read()<BR>{<BR>    char fp;<BR>    fp=fopen("temp.dat","r");<BR>    fread(&x,1,2,fp);<BR>    fread(&y,1,4,fp);<BR>    fclose(fp);<BR>}<BR>void main()<BR>{ <BR>    write();<BR>    read();<BR>    printf("x=%d,y=%d",x,y);<BR>    getchar();<BR>}

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abcdefg123

谢谢!!

JAY

1. <BR>    fread(&num,1,数据长度,fp);<BR>    例如：<BR>    [color=#0000ff]int[/color] num;<BR>    fread(&num,1,2,fp);<BR>

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abcdefg123

LAVA中

怎样将一个数字>255写入dat文件

字符串的我会,可是数字到底要怎么写入,怎么读取??