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鐣ヤ婦涓渚嬶紝騫蟲椂鎴戜滑宸ヤ綔涓鍒犻櫎鏌愭潯鏁版嵁錛屼竴鑸笉鏄湡鐨?/span>delete鎺夛紝鑰屾槸鐢ㄤ竴涓?/span>status鏍囪瘑錛?/span>status涓?/span>-1琛ㄧず鍒犻櫎錛屼綘鍐欏垹闄ゆ帴鍙ｆ椂瀹屽叏鍙互榪欎箞鍐欙細(xì)
Class UserService{
private UserDao userDao;
public void deleteUser(User user){
user.setStatus(-1);
userDao.update(user);
}
}
榪欎釜閫昏緫鍏跺疄鎵ц鐨勬槸鏇存柊鎿嶄綔錛屼絾鎺ュ彛鍚嶄粛鏄?/span>deleteUser錛屽洜涓哄畠鎻愪緵鐨勭‘瀹炴槸鍒犻櫎“鏈嶅姟”錛岃皟鐢ㄦ帴鍙ｆ椂鎴戝彧闇瑕佺煡閬撴垜璋冪敤榪欎釜鎺ュ彛鏃朵細(xì)鍒犻櫎瀵硅薄錛岃嚦浜庡畠鎬庝箞瀹炵幇錛屾垜綆′笉鐫銆?/span>
Java涓埌澶勬槸鎸囬拡寮曠敤錛屼範(fàn)鎯簡浣跨敤c璇█鎸囬拡鐨勭▼搴忓憳寰寰浼?xì)湄曠敤鎸囬拡锛岃岀牬鍧忎簡闈㈠悜瀵硅薄鐨勬濇兂錛屾瘮濡傦紝鎴戣鏌ヨ鏌愪釜鐢ㄦ埛鐨勫瘑鐮侊紝鏈変漢鍙兘浼?xì)杩欎箞鍐欏Q?/span>
Class UserService{
private UserDao userDao;
public void queryUserPasswd(int id,User user){
String passwd=userdao.getUserPasswd(id)
User.setPasswd(passwd);
}
}
榪欑鍐欐硶鍦ㄨ娉曚笂娌′粈涔堥棶棰橈紝涔熻兘寰楀埌姝ｇ‘鐨勫鹼紝浣嗕紶涓?/span>user瀵硅薄榪涙潵灝辨湁浜涗笉濡ヤ簡錛屾垜瑕佸緱鍒板瘑鐮侊紝浼犱釜鐢ㄦ埛鐨勫瘑鐮侊紝鍙緇欎釜id灝卞彲浠ユ妸瀵嗙爜榪斿洖緇欒皟鐢ㄨ呬簡錛屽共鍢涜璁╀漢鍐嶄紶涓璞¤繘鏉ワ紵
浣滀負(fù)涓涓」鐩粡鐞嗭紝鍦ㄥ伐浣滆繃紼嬩腑錛岀‘瀹炰細(xì)閬囧埌浠や漢鍝瑧涓嶅緱鐨勬帴鍙ｏ紝灝卞儚涓婇潰閭ｄ釜鍒犻櫎鎺ュ彛鍚э紝鏈変漢浼?xì)杩欎箞鍐欏Q?/span>
Class UserService{
public void deleteUser(UserDao userDao ,User user){
user.setStatus(-1);
userDao.update(user);
}
}
榪欐帴鍙ｅ啓寰楋紝璁╀漢鎽鎬笉鐫澶磋剳浜嗭紝鎴戝垹闄や竴涓?/span>user瀵硅薄錛岃繕瑕佷紶涓?/span>userDao緇欎綘錛屾剰鎬濇槸浣犱負(fù)鎴戞彁渚涙湇鍔★紝鎴戣繕瑕佺粰涓伐鍏風(fēng)粰浣狅紝榪欒涓嶉氬惂錛?/span>
Java鏄函綺圭殑闈㈠悜瀵硅薄璇█錛屽啓Java紼嬪簭鏃惰鏃跺埢璁頒綇錛屼綘鍦ㄤ負(fù)鍒漢鎻愪緵鏈嶅姟錛屼負(fù)鍒漢鎻愪緵鏈嶅姟灝變笉搴旇鎻愬嚭榪囧鐨勯檮鍔犺姹傘傝繖涓棶棰樺湪浣跨敤MVC妯″紡鍒嗗眰鎬濇兂鐨勬椂鍊欎綋鐜板緱鏇村姞涓ラ噸銆傚湪浣跨敤MVC妯″紡寮鍙戠殑鏃跺欙紝寰寰灝嗘暣涓」鐩垎鎴愬嚑灞傦細(xì)action灞傘?/span>service灞傘佹暟鎹簱澶勭悊灞傦紙dao灞傦級絳夌瓑錛屾瘡涓灞傚線寰鐢變笉鍚岀殑紼嬪簭鍛樼紪鍐欙紝榪欐椂鍊欒鏍煎鎻愰啋鑷繁鍦ㄤ負(fù)鍒漢鎻愪緵鏈嶅姟銆傚湪涓涓柊欏圭洰寮濮嬬殑鏃跺欏線寰浼?xì)鍑虹庮C竴涓棶棰橈細(xì)鍦ㄥ鍔犳煇鏉℃暟鎹椂錛岃瀵硅繖鏉℃暟鎹殑瀛楁榪涜楠岃瘉錛屼笉鑳戒負(fù)絀烘垨鑰呴暱搴﹁繃闀跨瓑絳夛紝濡傛灉娌℃湁楠岃瘉瀹規(guī)槗鎶涢敊錛屽湪鍒嗗眰緙栧啓鎺ュ彛鏃訛紝寮鍙戜漢鍛樼粡甯告兂榪欎釜楠岃瘉搴旇鍦ㄤ笂灞傛垨鑰呬笅灞傚仛鍚э紝鎴戣繖杈瑰緱鍒扮殑鏁版嵁鏄紜殑錛屾渶鍚庡鑷磋皝閮芥病鍋氶獙璇併傚彧瑕佷綘璁頒綇浜嗘彁渚?#8220;鏈嶅姟”鐨勬濇兂錛屽氨涓嶅簲璇ヨ姹傚埆浜虹粰浣犵殑鏁版嵁鏄紜殑錛岃屾槸搴旇澶勭悊鍚勭闈炴甯擱棶棰橈紝淇濊瘉鐢ㄦ埛緇欎綘鐨勪換浣曟暟鎹綘閮借兘緇欏嚭鐩稿簲鐨勮繑鍥烇紝褰撶劧錛屽湪瀹為檯鐨勯」鐩腑欏圭洰緇忕悊鍙兘瑙勫畾鏁版嵁楠岃瘉鍦?/span>service灞傚仛銆?/span>
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Android Adapter 鏄皢鏁版嵁緇戝畾鍒?/span>UI 鐣岄潰涓婄殑妗ユ帴綾匯?/span> Adapter璐熻矗鍒涘緩鍜屾樉紺烘瘡涓」鐩殑瀛?/span>View鍜屾彁渚涘涓嬪眰鏁版嵁鐨勮闂傛敮鎸?/span>Adapter緇戝畾鐨?/span>UI鎺т歡蹇呴』鎵╁睍Adapter View鎶借薄綾匯傚垱寤鴻嚜宸辯殑緇ф壙鑷?/span>AdapterView鐨勬帶浠跺拰鍒涘緩鏂扮殑Adapter綾繪潵緇戝畾瀹冧滑鏄彲鑳界殑銆?/span>
Android 緋葷粺鏈韓鎻愪緵浜嗕袱縐嶇幇鎴愮殑Adapter 渚涙垜浠嬌鐢ㄣ?/span>
1.ArrayAdapter錛氬畠鏄竴涓粦瀹?/span>View鍒頒竴緇勫璞＄殑閫氱敤綾匯傞粯璁ゆ儏鍐典笅錛?/span>ArrayAdapter緇戝畾姣忎釜瀵硅薄鐨?/span>toString鍊煎埌layout涓鍏堝畾涔夌殑TextView絀洪棿涓娿傛瀯閫犲嚱鏁板厑璁哥敤鎴蜂嬌鐢ㄦ洿鍔犲鏉傜殑Layout鎴栬呴氳繃閲嶅啓getView鏂規(guī)硶鏉ユ墿灞曠被浠庤屼嬌鐢?/span>TextView鐨勬浛浠ｇ墿
2.SimpleCursorAdapter錛氬畠緇戝畾View鍒?/span>Content Provider 鏌ヨ榪斿洖鐨勬父鏍囦笂銆傛寚瀹氫竴涓?/span>XML layout瀹氫箟錛岀劧鍚庡皢鏁版嵁闆嗙殑姣忎竴鍒楃殑鍊肩粦瀹氬埌layout涓殑涓涓?/span>View
鍐欒嚜宸辯殑Adapter綾誨疄鐜版洿澶氬鏉傜殑UI鐣岄潰鍜屾暟鎹粦瀹?/span>
private LayoutInflater mInflater;
private Context context;
private List<Map<String,Object>> list;
private int resource;
private String[] tags;
private int[] ids;
public MyAdapter(Context context, List<Map<String,Object>> items, int resource,
String[] tags,int[] ids) {
super(context, items, resource, tags, ids);
this.mInflater = LayoutInflater.from(context);
this.context = context;
this.list = items;
this.resource = resource;
this.tags = tags;
this.ids = ids;
}
public int getCount() {
return list.size();
}
public Object getItem(int position) {
return list.get(position);
}
public long getItemId(int position) {
return position;
}
public View getView(final int position, View convertView, ViewGroup parent) {
convertView = super.getView(position, convertView, parent);
if (convertView == null) {
Toast.makeText(context, "this is null", 2000).show();
} else {
}
ImageView more = (ImageView) convertView.findViewById(R.id.iv_more);
more.setOnClickListener(new View.OnClickListener() {
public void onClick(View arg0) {
Intent intent = new Intent(context, VehicleInfoActivity.class);
intent.putExtra("vehicleID", VehicleListActivity.idList.get(position));
intent.putExtra("CameraID", "0");
Toast.makeText(context, "sssssss", 2000).show();
context.startActivity(intent);
}
});
return convertView;
}
}
涓昏閲嶈澆getCount 鏂規(guī)硶錛?/span>getView鏂規(guī)硶 getItem鏂規(guī)硶 getItemId鏂規(guī)硶錛?/span> 鍙傛暟瑙ｆ瀽錛?/span>context錛氫紶鍏ョ殑涓婁笅鏂?/span>Activity, items 緇戝畾鏁版嵁鐨勫垪琛?/span>, resource layout甯冨眬ID, tags 緇戝畾鏁版嵁鐨?/span>key, ids Item 涓搴?/span>key鐨勮祫婧?/span>ID銆?/span> 鍦?/span>getView涓嚜瀹氫箟Item閲岄潰鐨勪簨浠剁洃鍚紝鑷畾涔夋柊鐨勯噸杞藉悗鐨勬樉紺虹晫闈㈣繑鍥?/span> convertView銆?/span> 濡傛灉闇瑕佷嬌鐢ㄥ埌鐖剁被SimpleAdapter 鏄劇ず鏁堟灉闇瑕佽皟鐢?/span>super.getView鏂規(guī)硶涓?/span> convertView 璧嬪箋?/span>
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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)硶浜嗐?/span>
public class IbatisGpsDataDao extends BaseDao implements GpsDataDao{
…
}
璇ョ被闆嗘垚浜咮aseDao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);
}
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