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package
org.base.controller;
import
org.base.pojo.Department;
import
org.springframework.stereotype.Controller;
import
org.springframework.web.bind.annotation.RequestMapping;
import
org.springframework.web.bind.annotation.RequestParam;
@Controller
public
class
DeptController {
/**
* 映射的url http://localhost:端口号/项目名/test.do
* 跳转到 (prefix)test.jsp(suffix)页面
*/
@RequestMapping
(
"/test"
)
public
String test(){
System.out.println(
"test"
);
return
"test"
;
}
/**
* 如果方法无返回值，则跳转到 testP.jsp页面，即映射名
* 对于方法中的参数，可以对应url中的参数自动赋值
* 这里注意，如果url中的参数和方法定义的不一致，例如，此处的age=1.5，那么会报400错误
*/
@RequestMapping
(
"/testP"
)
public
void
testParam(String name,Integer age){
System.out.println(
"name:"
+name+
",age:"
+age);
}
/**
* 也可以显式声明url参数
*/
@RequestMapping
(
"/testP1"
)
public
void
testParam1(
@RequestParam
(
"name"
)String name,Integer age){
System.out.println(
"name:"
+name+
",age:"
+age);
}
/**
* 自动注入bean属性，注意，url中形式是 departmentId=12,不是 对象.属性 形式
*/
@RequestMapping
(
"/testP2"
)
public
void
testParam2(Department dept){
System.out.println(
"dept:"
+dept);
}
/**
* ResponseBody注解：此方法返回值直接写入 response的body中，默认是json
* 注意要导入 jackson.jar
*/
@RequestMapping
(
"/test2"
)
@ResponseBody
public
Department test2(){
Department dept =
new
Department(
12
,
"abc"
,
31
,
5
);
return
dept;
}
//@RequestMapping 注解的方法支持很多参数： HttpServletRequest/Response,HttpSession,Writer
// 不支持对象.属性传值方法，如果重名，/**
* restful 风格的传参方式
*/
@RequestMapping
(
"/test3/{str}"
)
public
void
test3(
@PathVariable
(
"str"
)String str){
System.out.println(
"str:"
+str);
}
/**
* date 日期类型的注入
*/
@RequestMapping
(
"/test4"
)
public
void
test4(
@DateTimeFormat
(iso=ISO.DATE)Date d){
if
(d!=
null
)
System.out.println(
new
SimpleDateFormat(
"yyyy-MM-dd HH:mm:ss"
).format(d));
}
}
|
@ResponseBody 可以将该方法返回的值 写入到 response的body中去(String,json,xml)。
@RequestMapping 也可以用于整个类
|
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@Controller
@RequestMapping
(
"/emp/*"
)
public
class
EmpController {
@RequestMapping
(
"test1"
)
// 这里匹配的url就是/emp/test1.do
public
void
test1(String s){
System.out.println(
"s:"
+s);
}
}
|
spring 配置文件
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<?
xml
version
=
"1.0"
encoding
=
"UTF-8"
?>
<
beans
xmlns="
http://www.springframework.org/schema/beans
"
xmlns:xsi="
http://www.w3.org/2001/XMLSchema-instance
"
xmlns:tx="
http://www.springframework.org/schema/tx
"
xmlns:aop="
http://www.springframework.org/schema/aop
"
xmlns:context="
http://www.springframework.org/schema/context
"
xmlns:jee="
http://www.springframework.org/schema/jee
"
xmlns:mvc="
http://www.springframework.org/schema/mvc
"
xmlns:p="
http://www.springframework.org/schema/p
"
xsi:schemaLocation="
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx-2.5.xsd
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop-2.5.xsd
http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-2.5.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-2.5.xsd
http://www.springframework.org/schema/jee
http://www.springframework.org/schema/jee/spring-jee-2.5.xsd
http://www.springframework.org/schema/mvc
http://www.springframework.org/schema/mvc/spring-mvc.xsd
">
<!-- 加载配置文件 -->
<
context:property-placeholder
location
=
"classpath:config/jdbc.properties"
/>
<
context:component-scan
base-package
=
"org.base"
/>
<!-- 开启基于注解的mvc配置 -->
<
mvc:annotation-driven
>
<
mvc:message-converters
>
<
bean
class
=
"org.springframework.http.converter.json.MappingJacksonHttpMessageConverter"
>
<!-- 解决"IE下返回json提示下载"问题 -->
<
property
name
=
"supportedMediaTypes"
value
=
"text/plain;charset=UTF-8"
></
property
>
</
bean
>
</
mvc:message-converters
>
</
mvc:annotation-driven
>
<!-- 视图解析器 -->
<
bean
class
=
"org.springframework.web.servlet.view.InternalResourceViewResolver"
p:prefix
=
"/WEB-INF/"
p:suffix
=
".jsp"
></
bean
>
</
beans
>
|
web.xml
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<?
xml
version
=
"1.0"
encoding
=
"UTF-8"
?>
<
web-app
version
=
"2.5"
xmlns="
http://java.sun.com/xml/ns/javaee
"
xmlns:xsi="
http://www.w3.org/2001/XMLSchema-instance
"
xsi:schemaLocation="
http://java.sun.com/xml/ns/javaee
http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd
">
<
welcome-file-list
>
<
welcome-file
>index.jsp</
welcome-file
>
</
welcome-file-list
>
<!-- spring mvc -->
<
servlet
>
<
servlet-name
>springmvc</
servlet-name
>
<
servlet-class
>org.springframework.web.servlet.DispatcherServlet</
servlet-class
>
<
init-param
>
<
param-name
>contextConfigLocation</
param-name
>
<
param-value
>classpath:config/spring.xml</
param-value
>
</
init-param
>
<
load-on-startup
>1</
load-on-startup
>
</
servlet
>
<
servlet-mapping
>
<
servlet-name
>springmvc</
servlet-name
>
<
url-pattern
>*.do</
url-pattern
>
</
servlet-mapping
>
</
web-app
>
|
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package
org.base.controller;
import
org.base.pojo.Department;
import
org.springframework.stereotype.Controller;
import
org.springframework.web.bind.annotation.RequestMapping;
import
org.springframework.web.bind.annotation.RequestParam;
@Controller
public
class
DeptController {
/**
* 映射的url http://localhost:端口号/项目名/test.do
* 跳转到 (prefix)test.jsp(suffix)页面
*/
@RequestMapping
(
"/test"
)
public
String test(){
System.out.println(
"test"
);
return
"test"
;
}
/**
* 如果方法无返回值，则跳转到 testP.jsp页面，即映射名
* 对于方法中的参数，可以对应url中的参数自动赋值
* 这里注意，如果url中的参数和方法定义的不一致，例如，此处的age=1.5，那么会报400错误
*/
@RequestMapping
(
"/testP"
)
public
void
testParam(String name,Integer age){
System.out.println(
"name:"
+name+
",age:"
+age);
}
/**
* 也可以显式声明url参数
*/
@RequestMapping
(
"/testP1"
)
public
void
testParam1(
@RequestParam
(
"name"
)String name,Integer age){
System.out.println(
"name:"
+name+
",age:"
+age);
}
/**
* 自动注入bean属性，注意，url中形式是 departmentId=12,不是 对象.属性 形式
*/
@RequestMapping
(
"/testP2"
)
public
void
testParam2(Department dept){
System.out.println(
"dept:"
+dept);
}
/**
* ResponseBody注解：此方法返回值直接写入 response的body中，默认是json
* 注意要导入 jackson.jar
*/
@RequestMapping
(
"/test2"
)
@ResponseBody
public
Department test2(){
Department dept =
new
Department(
12
,
"abc"
,
31
,
5
);
return
dept;
}
//@RequestMapping 注解的方法支持很多参数： HttpServletRequest/Response,HttpSession,Writer
// 不支持对象.属性传值方法，如果重名，/**
* restful 风格的传参方式
*/
@RequestMapping
(
"/test3/{str}"
)
public
void
test3(
@PathVariable
(
"str"
)String str){
System.out.println(
"str:"
+str);
}
/**
* date 日期类型的注入
*/
@RequestMapping
(
"/test4"
)
public
void
test4(
@DateTimeFormat
(iso=ISO.DATE)Date d){
if
(d!=
null
)
System.out.println(
new
SimpleDateFormat(
"yyyy-MM-dd HH:mm:ss"
).format(d));
}
}
|
@ResponseBody 可以将该方法返回的值 写入到 response的body中去(String,json,xml)。
@RequestMapping 也可以用于整个类
|
1
2
3
4
5
6
7
8
9
10
|
@Controller
@RequestMapping
(
"/emp/*"
)
public
class
EmpController {
@RequestMapping
(
"test1"
)
// 这里匹配的url就是/emp/test1.do
public
void
test1(String s){
System.out.println(
"s:"
+s);
}
}
|
spring 配置文件
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<?
xml
version
=
"1.0"
encoding
=
"UTF-8"
?>
<
beans
xmlns="
http://www.springframework.org/schema/beans
"
xmlns:xsi="
http://www.w3.org/2001/XMLSchema-instance
"
xmlns:tx="
http://www.springframework.org/schema/tx
"
xmlns:aop="
http://www.springframework.org/schema/aop
"
xmlns:context="
http://www.springframework.org/schema/context
"
xmlns:jee="
http://www.springframework.org/schema/jee
"
xmlns:mvc="
http://www.springframework.org/schema/mvc
"
xmlns:p="
http://www.springframework.org/schema/p
"
xsi:schemaLocation="
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx-2.5.xsd
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop-2.5.xsd
http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-2.5.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-2.5.xsd
http://www.springframework.org/schema/jee
http://www.springframework.org/schema/jee/spring-jee-2.5.xsd
http://www.springframework.org/schema/mvc
http://www.springframework.org/schema/mvc/spring-mvc.xsd
">
<!-- 加载配置文件 -->
<
context:property-placeholder
location
=
"classpath:config/jdbc.properties"
/>
<
context:component-scan
base-package
=
"org.base"
/>
<!-- 开启基于注解的mvc配置 -->
<
mvc:annotation-driven
>
<
mvc:message-converters
>
<
bean
class
=
"org.springframework.http.converter.json.MappingJacksonHttpMessageConverter"
>
<!-- 解决"IE下返回json提示下载"问题 -->
<
property
name
=
"supportedMediaTypes"
value
=
"text/plain;charset=UTF-8"
></
property
>
</
bean
>
</
mvc:message-converters
>
</
mvc:annotation-driven
>
<!-- 视图解析器 -->
<
bean
class
=
"org.springframework.web.servlet.view.InternalResourceViewResolver"
p:prefix
=
"/WEB-INF/"
p:suffix
=
".jsp"
></
bean
>
</
beans
>
|
web.xml
|
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|
<?
xml
version
=
"1.0"
encoding
=
"UTF-8"
?>
<
web-app
version
=
"2.5"
xmlns="
http://java.sun.com/xml/ns/javaee
"
xmlns:xsi="
http://www.w3.org/2001/XMLSchema-instance
"
xsi:schemaLocation="
http://java.sun.com/xml/ns/javaee
http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd
">
<
welcome-file-list
>
<
welcome-file
>index.jsp</
welcome-file
>
</
welcome-file-list
>
<!-- spring mvc -->
<
servlet
>
<
servlet-name
>springmvc</
servlet-name
>
<
servlet-class
>org.springframework.web.servlet.DispatcherServlet</
servlet-class
>
<
init-param
>
<
param-name
>contextConfigLocation</
param-name
>
<
param-value
>classpath:config/spring.xml</
param-value
>
</
init-param
>
<
load-on-startup
>1</
load-on-startup
>
</
servlet
>
<
servlet-mapping
>
<
servlet-name
>springmvc</
servlet-name
>
<
url-pattern
>*.do</
url-pattern
>
</
servlet-mapping
>
</
web-app
>
|
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