不使用servlet从html调用Java方法 [英] Calling Java Method from html without using a servlet
问题描述
我的 index.html 有一定的视图，我想通过调用java方法更新此视图（不重定向或重新加载页面），使用Web服务并检索数据。我想在 index.html 中显示数据。我尝试使用servlet，但它重定向到另一个url，这不是我想要做的。
I have my index.html that has a certain view, and I want to update this view (without redirecting or reloading the page) by calling a java method, that consumes a web service and retrieves data. I want to display the data in my index.html. I tried using a servlet but it redirects to another url and that is not what I want to do.
有没有办法在我的 index.html 中调用java或显示java类的属性？
Is there a way to call a java or display attributes of a java class within my index.html?
推荐答案
一种方法是将您的Java功能公开为REST服务。
One approach is to expose your Java functionality as a REST service.
泽西岛REST终点
@Path("/rest/emp/")
public class EmployeeService {
@GET
@Path("/{param}")
public EmployeDTO getMsg(@PathParam("param") String id) {
return getEmployeeDetails(id);
}
}
EmployeDTO.java
String name;
String id;
String address;
//getters and setters
index.html
<!DOCTYPE html>
<html>
<head>
<title>Sample Page</title>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.10.2/jquery.min.js"></script>
<script src="employee.js"></script>
</head>
<body>
<div>
<p id="eid">The ID is: </p>
<p id="eName">The Employee Name: </p>
<p id="eAddress">The Employee Address:</p>
</div>
</body>
</html>
employee.js
$(document).ready(function() {
$.ajax({
url: "/rest/emp/10" (Your Rest end point URL)
}).then(function(data) {
$('#eid').append(data.id);
$('#eName').append(data.name);
$('#eAddress').append(data.address);
});
});
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