PHP版双色球等彩票随机生成器，支持复选
上代码：
<?php
function ssq_creat($red_max,$blue_max,$n,$r=6,$b=1){
$red = $blue = [];
for ($i=1;$i<($red_max+1);$i++){
$red[] = sprintf('%02s', $i);
if($i<($blue_max+1)){
$blue[] = sprintf('%02s', $i);
}
}
$red=array_flip($red);
$blue=array_flip($blue);
$t = '';
for ($a=1;$a<=$n;$a++){
$rarr = array_rand($red,$r);
$num = sprintf('%02s', $a);
$t.=implode("", $rarr);
if($blue_max > 0 && $b>0){
$barr = array_rand($blue,$b);
if(!is_array($barr)){
$barr = [$barr];
}
$t .='+' . implode("", $barr);
}
$t .= PHP_EOL;
}
return $t;
}
if(count($_POST)>0){
echo ssq_creat($_POST['red_max'],$_POST['blue_max'],$_POST['times'],$_POST['red'],$_POST['blue']);
exit();
}
?>
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>彩票随机生成器</title>
<script src="https://code.jquery.com/jquery-2.1.4.min.js"></script>
<style type="text/css">
input{margin: 50px 0;}
div{border:1px solid #ddd;padding: 5px 10px;margin-bottom: 10px;}
div>p{padding: 2px 5px;}
div>p:first-child{border-bottom:1px solid #ddd;}
div>p:last-child{font-size: 14px;color: #848484;/*border:1px solid #ddd;*/}
div>p:first-child span{display: inline-block;/* width: 50%;*/}
div>p:first-child span:first-child{width: 10%;min-width: 200px;border-right:1px solid #ddd;margin-right: 10px;}
div>p:last-child span{width: 50%;}
div>p span:last-child input{width: 100%;}
div>p span:last-child select{width: 80%;min-width: 150px;}
button { color: #ffffff; font-size: 1.05em; height: 29px; padding: 2px 18px 3px 18px; margin: 0 0.5em 0 0; background: #3a6ea5; border: 1px solid #046190; cursor: pointer; }
</style>
</head>
<body>
<div>
<p>
<span>红球最大值</span>
<input type="text" name="red_max" id="red_max" class="red_max" value="33" placeholder="默认为双色球33">
</p>
<p>默认为双色球33</p>
</div>
<div>
<p>
<span>蓝球最大值</span>
<input type="text" name="blue_max" id="blue_max" class="blue_max" value="16" placeholder="默认为双色球16">
</p>
<p>默认为双色球16</p>
</div>
<div>
<p>
<span>单复式</span>
<input type="radio" name="how" id="how-0" class="how" value="0" checked="checked"><label for="how-0">单式</label>
<input type="radio" name="how" id="how-1" class="how" value="1"><label for="how-1">复式</label>
</p>
<p>
单式：6+1<br>
复式：n+n
</p>
</div>
<div id="show">
<p>
<span>(<b style="color:red">仅复式有效</b>)红球个数：</span>
<span><input type="text" name="red" id="red" class="red" value="6" style="width: 100%" placeholder="请输入大于等于6的数字"></span>
<span>蓝球个数：</span>
<span><input type="text" name="blue" id="blue" class="blue" value="1" style="width: 100%" placeholder="请输入大于等于1的数字"></span>
</p>
<p>双色球中红球个数不得小于6，蓝球个数不得小于1</p>
</div>
<div>
<p>
<span>生成组数</span>
<span><input type="text" name="times" id="times" class="times" value="1" style="width: 100%" placeholder="请输入大于等于1的数字"></span>
</p>
<p></p>
</div>
<div>
<button type="button">开始生成</button>
</div>
<div class="show">
<textarea type="text" style="width: 100%;" rows="15"></textarea>
</div>
<script>
function begin(){
var how = $(".how:checked").val();
var times = $(".times").val() - 0;
var red_max = $(".red_max").val() - 0;
var blue_max = $(".blue_max").val() - 0;
var red = $(".red").val() - 0;
var blue = $(".blue").val() - 0;
if(red_max < red){
alert('红球最大值必须大于等于红球个数');
return false;
}
if(blue_max < blue){
alert('蓝球最大值必须大于等于蓝球个数');
return false;
}
$.ajax({
type: 'post',
url: "",
data: {red_max,blue_max,how,red,blue,times},
success: function(e) {
$(".show textarea").val(e);
},
error: function(s) {
alert("提交错误");
$(".show textarea").val('提交失败，当前返回状态：' + s.status + "\r\n当前返回内容："+ s.responseText +"\r\n请根据实际情况处理\r\n");
console.log(s)
}
});
}
</script>
</body>
</html>
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