alert( "已完成!" ) window.location.href = "/get_book.php?key=061823zcw" EOF; } elseif ($book['output'] == 'SQL_DNEY') { echo << alert( "操作拒绝！已经有数据了" ) window.history.go(-1); EOF; } else { echo << alert( "缺少密钥" ) window.history.go(-1); EOF; } } else { echo << alert( "信息错误，你肯定有毛病" ) window.history.go(-1); EOF; }