What is the Map process of springmvc dealing with model data

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SpringmvcTest.java

RequestMapping ("/ springmvc") @ Controllerpublic class SpringmvcTest {private static final String SUCCESS = "success"; @ RequestMapping (value= "/ testMap") public String testMap (Map map) {map.put ("names", Arrays.asList ("tom", "jack", "bob")); return SUCCESS;}}

Index.jsp

TestMap

Success.jsp

Success

Names:$ {requestScope.names}

After starting the server:

Click:

Parameters of types Model and ModelMap can actually be passed in.

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