鍦▁ml閰嶇疆鏂囦歡涓姞鍏ワ細<session-management invalid-session-url="/session-timeout.htm" />
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鍦╝pplicationContext.xml涓畾涔変簡涓涓狣ataSource錛?lt;bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource" />
浣嗘槸鍦ㄤ唬鐮佷腑錛屼嬌鐢╝notation榪涜娉ㄥ叆鐨勬椂鍊欙紝鍗存繪槸鎵句笉鍒拌繖涓猟ataSource.
@Autowired
public void setDataSource(DataSource dataSource) {
jdbcTemplate = new JdbcTemplate(dataSource);
jdbcInsert = new SimpleJdbcInsert(dataSource);
}
鏈鍚庣粓浜庢兂鏄庣櫧浜嗭紝鍘熷洜澶ф鏄繖鏍風殑錛屼嬌鐢╝utowired鐨勬椂鍊欙紝榛樿鏄牴鎹被鍨嬫潵鍖歸厤鐨勶紝鍦▁ml涓畾涔夌殑綾誨瀷鏄細BasicDataSource錛岃屼笉鏄帴鍙ataSource錛屾墍浠ラ粯璁ゆ儏鍐典笅榪欐牱鏄棤娉曡嚜鍔ㄨ閰嶇殑銆傝В鍐沖姙娉曟槸鎸囦護浣跨敤鍚嶅瓧鏉ヨ繘琛宐ean鐨勫尮閰嶏紝涔熷氨鏄敤Qualifier鎸囧畾bean鐨刬d.
@Autowired
public void setDataSource(@Qualifier("dataSource") DataSource dataSource) {
jdbcTemplate = new JdbcTemplate(dataSource);
jdbcInsert = new SimpleJdbcInsert(dataSource);
}
鍙﹀涓鐐癸紝鍦ㄧ綉涓婃悳绱㈢殑榪囩▼涓彂鐜版湁涓嶅皯浜洪兘鏈夌被浼肩殑闂錛屼絾鏄粬浠殑鍘熷洜鏄病鏈夋紜嬌鐢╯pring鐨勬敞鍏ワ紝鑰屾槸鑷繁鍦ㄤ唬鐮佷腑new浜嗕竴涓狣ao鐨勫疄渚嬶紝榪欐牱鐨勮瘽錛宻pring鏄棤娉曞皢dataSource娉ㄥ叆鍒癲ao鐨勫疄渚嬩腑鐨?/div>
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public void init(ServletConfig servletConfig) throws ServletException {
ServletContext servletContext = servletConfig.getServletContext();
WebApplicationContext webApplicationContext = WebApplicationContextUtils.getWebApplicationContext(servletContext);
AutowireCapableBeanFactory autowireCapableBeanFactory = webApplicationContext.getAutowireCapableBeanFactory();
autowireCapableBeanFactory.configureBean(this, BEAN_NAME);
}
鍏朵腑錛孊EAN_NAME灝辨槸闇瑕佹敞鍏ョ殑Bean鍦╯pring涓敞鍐岀殑鍚嶅瓧.
榪欐牱鍐欑殑涓昏闂鏄氨鏄偅涓狟EAN_NAME,榪欐牱鍐欐湁鐐逛富鍔ㄦ煡鎵撅紝鑰屼笉鏄緷璧栨敞鍏ョ殑鎰熻銆?br />
2銆佸垱寤轟竴涓被浼間簬DelegatingFilterProxy閭ｆ牱鐨勪唬鐞嗭紝閫氳繃浠ｇ悊鏍規嵁閰嶇疆鏉ユ壘鍒板疄闄呯殑Servlet錛屽畬鎴愪笟鍔￠昏緫鍔熻兘銆?br /> 鍋囧畾鎴戜滑鏈変竴涓猄ervlet鍚嶅瓧鍙玌serServlet錛岄渶瑕佹敞鍏ヤ竴涓猆serManager錛屼吉浠ｇ爜濡備笅錛?br /> public class UserServlet extends HttpServlet {
@Autowired(required = true)
private UserManager userManager;
}
絎竴姝?
public class DelegatingServletProxy extends GenericServlet {
private String targetBean;
private Servlet proxy;
@Override
public void service(ServletRequest req, ServletResponse res) throws ServletException, IOException {
proxy.service(req, res);
}
@Override
public void init() throws ServletException {
this.targetBean = getServletName();
getServletBean();
proxy.init(getServletConfig());
}
private void getServletBean() {
WebApplicationContext wac = WebApplicationContextUtils.getRequiredWebApplicationContext(getServletContext());
this.proxy = (Servlet) wac.getBean(targetBean);
}
}
絎簩姝ワ細
閰嶇疆web.xml鏂囦歡錛屽師鏉serServlet鐨勯厤緗ぇ鑷存槸榪欐牱鐨勶細
<servlet>
<servlet-name>userServlet</servlet-name>
<servlet-class>com.sample.UserServlet</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>userServlet</servlet-name>
<url-pattern>/userServlet</url-pattern>
</servlet-mapping>
鐜板湪淇敼涓?br /> <servlet>
<servlet-name>userServlet</servlet-name>
<servlet-class>com.sample.DelegatingServletProxy</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>userServlet</servlet-name>
<url-pattern>/userServlet</url-pattern>
</servlet-mapping>
娉ㄦ剰,spring鏄牴鎹甋ervlet鐨勫悕瀛楁潵鏌ユ壘琚唬鐞嗙殑Servlet鐨勶紝鎵浠ワ紝棣栧厛鎴戜滑瑕佸湪UserServlet綾誨墠闈㈠姞涓夽Component,鏉ュ憡璇塖rping錛氭垜涔熸槸涓涓狟ean銆傚鏋滃悕縐板拰Web.xml閲岄潰瀹氫箟鐨勪笉涓鏍風殑璇濓紝鍙互鍦ㄨ繖閲屾寚瀹欱ean鐨勫悕瀛楋紝姣斿錛?@Component("userServlet")
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