如何防止Spring 3.0 MVC @ModelAttribute变量出现在URL中？ [英] How do I prevent Spring 3.0 MVC @ModelAttribute variables from appearing in URL?

问题描述

使用Spring MVC 3.0.0.RELEASE，我有以下控制器：

Using Spring MVC 3.0.0.RELEASE, I have the following Controller:

@Controller
@RequestMapping("/addIntake.htm")
public class AddIntakeController{

  private final Collection<String> users;

  public AddIntakeController(){
    users = new ArrayList<String>();
    users.add("user1");
    users.add("user2");
    // ...
    users.add("userN");
  }

  @ModelAttribute("users")
  public Collection<String> getUsers(){
    return this.users;
  }

  @RequestMapping(method=RequestMethod.GET)
  public String setupForm(ModelMap model){

    // Set up command object
    Intake intake = new Intake();
    intake.setIntakeDate(new Date());
    model.addAttribute("intake", intake);

    return "addIntake";
  }

  @RequestMapping(method=RequestMethod.POST)
  public String addIntake(@ModelAttribute("intake")Intake intake, BindingResult result){

    // Validate Intake command object and persist to database
    // ...

    String caseNumber = assignIntakeACaseNumber();

    return "redirect:intakeDetails.htm?caseNumber=" + caseNumber;

  }

}

控制器读取从HTML表单填充的命令对象中获取信息，验证命令对象，将信息保留到数据库，并返回案例编号。

The Controller reads Intake information from a command object populated from an HTML form, validates the command object, persists the information to the database, and returns a case number.

一切都很好，除了当我重定向到intakeDetails.htm页面时，我得到一个如下所示的URL：

Everything works great, except for when I redirect to the intakeDetails.htm page, I get a URL that looks like this:

http：// localhost：8080 / project /intakeDetails.htm?caseNumber=1&users=user1&users=user2&users=user3&users=user4 ...

如何防止用户集合显示在URL中？

How do I prevent the user Collection from showing up in the URL?

推荐答案

从春季3.1开始， RequestMappingHandlerAdapter 提供了一个名为<$ c的标志$ c> ignoreDefaultModelOnRedirect 可用于防止在控制器重定向时使用defautl模型的内容。

Since spring 3.1 the RequestMappingHandlerAdapter provides a flag called ignoreDefaultModelOnRedirectthat you can use to prevent using the content of the defautl model if the controller redirects.

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