js提交表单

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var form1 = document.createElement("form");  
form1.id = "form1";  
form1.name = "form1"; 
// 添加到 body 中  
document.body.appendChild(form1);
var input = document.createElement("input");  
input.type = "text";  
input.name = "orderId";  
input.value = orderId;
var input1 = document.createElement("input");  
input1.type = "text";  
input1.name = "voucher";  
input1.value = 0;
var input2 = document.createElement("input");  
input2.type = "text";  
input2.name = "payMethod";  
input2.value = payMethod ;
var input3 = document.createElement("input");  
input3.type = "text";  
input3.name = "bankSName";  
input3.value = bankSName ;
form1.appendChild(input); 
form1.appendChild(input1);
form1.appendChild(input2);
form1.appendChild(input3);
form1.method = "POST";
form1.target="_blank";
form1.action = "toPay.htm";
form1.submit();   
document.body.removeChild(form1);