@RequestMapping("save1")
public void save1(Plan plan, List<PlanItem> planItems, HttpServletResponse response) {
  //TODO more...
  addMessage(response, MESSAGE_TYPE_SUCCESS, null, MESSAGE_SUCCESS);
}

public class PersonList { 
    
  private List<Person> person; 
  
  public List<Person> getPerson() { 
    return person; 
  } 
  
  public void setPerson(List<Person> person) { 
    this.Person= person; 
  } 
  
} 

@RequestMapping(value = "xxx", method = RequestMethod.POST)
  public void test(PersonList person) {
    //遍历person 
    }
}     

<form id="form" action="test/test.do" method="post">
<input type="text" name="person[0].username" value="jobs"/>
<input type="text" name="person[0].age" value="55"/><br/>
<input type="text" name="person[1].username]" value="jim"/>
<input type="text" name="person[1].age" value="21"/><br/>
<input type="submit">
<form>

@RequestMapping("save")
public void save(Plan plan, String planItemJson, HttpServletResponse response) {
  List<PlanItem> parseArray = JSON.parseArray(planItemJson, PlanItem.class);
  //TODO what u want
  addMessage(response, MESSAGE_TYPE_SUCCESS, null, MESSAGE_SUCCESS);
}

@RequestMapping("save")
public void save(Plan plan, String planItemJson, HttpServletResponse response) {
  planItemJson = planItemJson.replaceAll(""","\"");
  List<PlanItem> parseArray = JSON.parseArray(planItemJson, PlanItem.class);
  //TODO what u want
  addMessage(response, MESSAGE_TYPE_SUCCESS, null, MESSAGE_SUCCESS);
}