摘要：<?php function u($a,$b) { $json = '{"CNY":"人民币","RMB":"人民币",&
<?php
function u($a,$b) {
$json = '{"CNY":"人民币","RMB":"人民币","USD":"美元","EUR":"欧元","INR":"印度卢比"}';
$currency=json_decode($json,true);
$b3=strtoupper(substr($b,0,3));
return $a.$currency[$b3];
}
//测试单元
echo "总花费：".u(100,'usd-us dollar');
?>
批改老师：天蓬老师批改时间：2018-11-02 13:45:45
老师总结：这个编程思想不错,结合json来学习,其实这个json数组,最好做为参数传入更好
