功能如下：
点击购买后，点击确定。
确定调用了一个js函数，提交form表达给后端
代码如下：
<div class="modal-footer"><button type="button" class="btn text-white border bg-dark" data-bs-dismiss="modal">取消</button><button type="button" class="btn text-white border bg-dark" onclick="purchaseProduction()">确定</button>
</div>对应的js代码如下：
<script>function purchaseProduction(){var fundId = document.getElementById("fundId").value;var purchaseMoney = document.getElementById("purchaseMoney").value;var params = {fundId: fundId,purchaseMoney: purchaseMoney}var temp = document.createElement("form");temp.action = "index.php?p=user&c=fund&a=confirmPurchase";temp.method = "post";temp.style.display = "none";for (var x in params) {var opt = document.createElement("input");opt.name = x;opt.value = params[x];temp.appendChild(opt);}document.body.appendChild(temp);temp.submit();}
</script>
