第一步:在idea下建一个javaWEB工程;
第二步:新建一个工程,不需要在web下写些前端,因为想在HBuild中写前端;

第三步:在controller包下新建一个servlet,我这里命名叫Servlet1,代码如下:
protected void doPost(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response) throws javax.servlet.ServletException, IOException {
response.setCharacterEncoding("UTF-8");
response.setContentType("text/html;charset=UTF-8");
String name=request.getParameter("name");
System.out.println(name);
PrintWriter out = response.getWriter();
try{
out.write(name);
out.flush();
}catch (Exception e){
e.printStackTrace();
}finally {
out.close();
}
}
第三步:打开HBuilder编辑器,新建一个html项目,

index2.html的代码如下:
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Title</title>
<script type="text/javascript" src="js/jquery-3.2.1.min.js"></script>
<script type="text/javascri

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