Bean属性不可读或具有无效的getter方法

Question

因此，我的任务是为注册表路由编写一个简单的Web应用程序。使用Spring MVC。所以我有“路线”课，我想保留起点，终点和中间点列表。但是我不明白如何将值从jsp列出（例如使用jstl）。所以我决定解析一个字符串。

public class Route {
    private String start;
    private String finish;
    private String form;
    private List<String> list;

    public Route() {
    }

    public Route(String start, String finish, String route) {
        this.start = start;
        this.finish = finish;
        this.form = route;
        this.toList();
    }

    public Route(String start, String finish) {
        this.start = start;
        this.finish = finish;
        this.list = new ArrayList<>();
    }

    public void addTown(String town){
        list.add(town);
    }

    public String getStart() {
        return start;
    }

    public void setStart(String start) {
        this.start = start;
    }

    public String getFinish() {
        return finish;
    }

    public void setFinish(String finish) {
        this.finish = finish;
    }

    public List<String> getRoute() {
        return list;
    }

    public void setFormRoute(String route) {
        this.form = route; 
        this.toList();
    }    

    private void toList()
    {
        String[] temp = form.split(",");
        for(String temp1 : temp) {
            list.add(temp1);
        }
    }
}

并遵循JSP：

<h2><a href="find.htm">????? ???????????? ???????</a><br/><br/>
    ???????? ???????</h2>
<h3> 
    <spring:nestedPath path="route">
        <form modelAttribute="routeAttribute" method="POST" action="${add}">
            ????? ???????????:
            <spring:bind path="start">
                <input type="text" name="${status.expression}" value="${status.value}">
            </spring:bind><br/><br/>                    
            ????? ????????:
            <spring:bind path="finish">
                <input type="text" name="${status.expression}" value="${status.value}">
            </spring:bind><br/><br/>
            ????????????? ?????? (????? ???????):
            <spring:bind path="form">
                <input type="text" name="${status.expression}" value="${status.value}">
            </spring:bind><br/><br/>

            <input type="submit" value="?????????">
        </form>
    </spring:nestedPath>

如果需要，我可以发布Controller代码。我有一个错误：

Bean property 'form' is not readable or has an invalid getter method: Does the return type of the getter match the parameter type of the setter?

谁能解释我做错的原则吗？

Answer 1

如错误消息所示，将表单的getter方法添加到bean中

public String getForm() {
   return form;
}

setForm 应该有相应的方法

public void setForm(String form) {
   this.form = form;
}