锘??xml version="1.0" encoding="utf-8" standalone="yes"?>
ognl.OgnlException: target is null for setProperty(null, "x", [Ljava.lang.String;@28d320d6)
ognl.OgnlException: target is null for setProperty(null, "y", [Ljava.lang.String;@32a88bc2)
鐨勮В鍐沖姙娉?/span>
Struts2
榪欎釜寮傚父鏄湪鎻愪氦琛ㄥ崟鐨勬椂鍊欏彂鐢熺殑錛屼箥涓鐪嬩互涓烘槸Struts2綾誨瀷杞崲鐨勯敊璇紝浣嗘槸紼嬪簭涓張鍘嬫牴鍎挎病鏈夌敤鍒癝truts2鐨勭被鍨嬭漿鎹紝鑰屼笖鍓嶅彴欏甸潰
index.jsp涓篃娌℃湁璁劇疆x,y榪欎簺鍙傛暟錛涗笖榪欎釜閿欒騫朵笉浼?xì)濯?jiǎng)鍝嶇▼搴忕殑姝e父榪愯錛屾壘浜?jiǎn)寰堜箙锛屾渶鍚庡彂鐜版槸鎻愪氦鎸夐挳鐨勭紭鏁咃紝鎻愪氦鎸夐挳寮曠敤鐨勬槸涓涓浘鐗囷紝
濡備笅錛?/span>
<input id="submit" type="image" name="ssc" src="asserts/images/5.jpg"/>
鐢變簬琛ㄥ崟鎻愪氦涓緗簡(jiǎn)name灞炴э紝鎵浠truts2浼?xì)杩涜鎺ユ敹鐩稿簲鐨勫鹼紝鏌ユ壘瀹冪殑set 鍜?nbsp;get鏂規(guī)硶錛岃宎ction閲岄潰娌℃湁榪欎釜name鍊肩殑錛屾墍浠ユ墠鍑虹幇浜?jiǎn)濡備笂閿欒銆傚彲浠ヨ繖鏍峰啓錛?/span>
<input id="submit" type="image" src="asserts/images/5.jpg" />
灝唍ame灞炴у幓鎺夊嵆鍙?/span>
鍏跺疄錛屽湪struts.xml鏂囦歡閲屽彲浠ラ厤緗?struts.devMode"灞炴с?/span>
褰?br />struts.devMode = true鏃訛紝浣跨敤struts鍦ㄩ粯璁ら厤緗笅瀵逛換浣曟彁浜ゅ埌action鐨勫弬鏁板己鍒墮渶瑕乻etter鏂規(guī)硶錛宧tml琛ㄥ崟鏁?br />鎹腑鏈夊拰action灞炴у尮閰嶄笉涓婄殑鍙傛暟鍚嶆椂灝變細(xì)鎻愮ず榪欐牱鐨勪俊鎭傛墍浠ワ紝鍦ㄥ紑鍙戣繃紼嬩腑灝嗚繖涓睘鎬ц涓簍rue榪樻槸寰堝ソ鐨勶紝瀹冨彲浠ュ府鎴戜滑鍙戠幇涓浜涘彲鑳藉嚭鐜頒絾
鍙堣鎴戜滑蹇借鐨勯棶棰橈紝鐘殑“閿欒”瓚婂錛屾墠鑳界Н绱緢澶氱殑緇忛獙銆?br />
杞嚜鐧懼害絀洪棿錛?/p>http://hi.baidu.com/gpsdreamer/item/544050ed0e00e4d0e1a5d4cd
1錛?nbsp;<bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource"destroy-method="close">
絎竴涓猙ean浣滀負(fù)閰嶇疆榪炴帴鏁版嵁搴擄紝璁劇疆DriverManager浠ュ強(qiáng)鐢ㄦ埛鍚嶅瘑鐮?/span>
2錛?nbsp;<bean id="sqlMapClient" class="org.springframework.orm.ibatis.SqlMapClientFactoryBean">
絎簩涓猙ean灝辨槸閫夋嫨SqlMapClient錛屽茍涓斿~鍐欒xml鐨勮礬寰勶細(xì)
XmlSqlMapClientBuilder xmlBuilder =new XmlSqlMapClientBuilder();
SqlMapClient sqlMap = xmlBuilder.buildSqlMap(reader);
3錛?nbsp;<bean id="sqlMapClientTemplate" class="org.springframework.orm.ibatis.SqlMapClientTemplate">
<property name="sqlMapClient">
<ref bean="sqlMapClient" />
</property>
</bean>
絎笁涓猙ean錛?/span>SqlMapClientTemplate鏄疭qlMapClient鐨勫皝瑁呯被.
SqlMapClient涓寘鍚潃session鐨勭鐞?
SqlMapClientTemplate鐢ㄤ簬session鐨勫皝瑁?浠ュ強(qiáng)寮傚父鐨勬崟鎹?
鎵浠ユ寜鐓т互涓婄殑鎺ㄦ柇鏉ヨ.搴旇灝介噺浣跨敤SqlMapClientTemplate.
淇濊瘉session浠ュ強(qiáng)Exception鐨勬甯鎬互鍙?qiáng)缁熶竴.
2. 鐒跺悗灝辨槸SqlMapClient鐨勯厤緗細(xì)
<sqlMap resource="sql/gpsData_sqlmap_mapping.xml"/>
閰嶇疆gpsData綾諱笌鏁版嵁搴撶殑瀵瑰簲鍏崇郴
3. 榪欎袱涓獂ml鏂囦歡閰嶇疆濂戒互鍚庡氨鍙互鍦ㄨ嚜宸辯殑DAO綾諱腑鍐欑浉搴旂殑澧炲垹鏀規(guī)煡鏂規(guī)硶浜?jiǎn)銆?/span>
public class IbatisGpsDataDao extends BaseDao implements GpsDataDao{
…
}
璇ョ被闆嗘垚浜?jiǎn)BaseDao綾伙紝BaseDao鎻愪緵浜?/span>SqlMapClientTemplate鐨勫璞℃搷浣滐紝璇ュ璞℃鏄湪Spring beans涓厤緗殑銆傞氳繃鑾峰緱榪欎釜SqlMapClientTemplate錛岃繘琛屽鍒犳敼鏌ョ殑鎿嶄綔銆?/span>
渚嬪涓嬮潰鐨刬nsert鏂規(guī)硶錛?/span>
public long insertGpsDataDo(GpsDataDo gpsdata) {
if(gpsdata == null){
throw new IllegalArgumentException();
}
return (Long) getSqlMapClientTemplate().insert("GpsData.insertGpsData",gpsdata);
}