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Juergen Hoeller 2019-03-30 00:20:32 +01:00
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src/docs/asciidoc/web/webmvc.adoc
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@ -2195,19 +2195,19 @@ The following example shows how to get the cookie value:
<1> Get the value of the `JSESSIONID` cookie. <1> Get the value of the `JSESSIONID` cookie.
==== ====
if the target method parameter type is not If the target method parameter type is not `String`, type conversion is applied automatically.
`String`, type conversion is applied automatically. See <<mvc-ann-typeconversion>>. See <<mvc-ann-typeconversion>>.
[[mvc-ann-modelattrib-method-args]] [[mvc-ann-modelattrib-method-args]]
==== `@ModelAttribute` ==== `@ModelAttribute`
[.small]#<<web-reactive.adoc#webflux-ann-modelattrib-method-args, Same as in Spring WebFlux>># [.small]#<<web-reactive.adoc#webflux-ann-modelattrib-method-args, Same as in Spring WebFlux>>#
You can use the `@ModelAttribute` annotation on a method argument to access an attribute from the You can use the `@ModelAttribute` annotation on a method argument to access an attribute from
model or have it be instantiated if not present. The model attribute is also overlain with the model or have it be instantiated if not present. The model attribute is also overlain with
values from HTTP Servlet request parameters whose names match to field names. This is values from HTTP Servlet request parameters whose names match to field names. This is referred
referred to as data binding, and it saves you from having to deal with parsing and to as data binding, and it saves you from having to deal with parsing and converting individual
converting individual query parameters and form fields. The following example shows how to do so: query parameters and form fields. The following example shows how to do so:
==== ====
[source,java,indent=0] [source,java,indent=0]