无涯教程-PHP - field scale函数

field_scale - 语法

int odbc_field_scale ( resource $result_id , int $field_number )

它用来获取文件的比例

field_scale - 返回值

错误时返回文件的比例或FALSE

field_scale - 示例

<?php
   $input_ID=odbc_connect("DSN","user_id","pass_id");
   $sql="SELECT * FROM Products";
   $result=odbc_exec($input_ID, $sql);
odbc_fetch_row($result);
for ($col</span><span class="pun">=</span><span class="lit">1</span><span class="pun">;</span><span class="pln">$col<=odbc_num_fields($result</span><span class="pun">);</span><span class="pln">$col++) {
printf("Column %s has scale %s\n", odbc_field_name($result</span><span class="pun">,</span><span class="pln">$col), odbc_field_scale($result</span><span class="pun">,</span><span class="pln">$col));
}
?>

参考链接

www.learnfk.com/php/php-fun…