30 lines
675 B
PHP
Executable File
30 lines
675 B
PHP
Executable File
<?php
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// 这是系统自动生成的公共文件
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/**
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* 运算
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*/
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function jisuan($num1,$num2,$opt,$length){
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switch($opt){
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case "+":
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$rs=bcadd("$num1","$num2",$length);
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break;
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case "-":
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$rs=bcsub("$num1","$num2",$length);
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break;
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case "*":
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$rs=bcmul("$num1","$num2",$length);
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break;
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case "/":
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if($num2==0){
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exit("被除数不能为0!");
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}else{
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$rs=bcdiv("$num1","$num2",$length);
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}
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break;
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default:
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echo "异常操作!";
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break;
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}
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return $rs;
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} |