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1. 閲婃斁鏁版嵁搴撹祫婧?br />
浣跨敤jdbc鏃訛紝寰堝鏄撶姱鐨勯敊璇氨鏄幏鍙栬祫婧愪箣鍚庡繕璁版紜湴閲婃斁瀹冧滑銆傝櫧鐒跺瀮鍦炬敹闆嗚繘紼嬫渶緇堝彲浠ラ噴鏀炬帀榪欎簺璧勬簮錛屼絾鏄繖縐嶅仛娉曢潪甯歌楁椂錛屽茍涓旀棤娉曞緱鍒頒繚璇併傚鏋滃璞℃病鏈夊埆鐪熸閲婃斁錛岄偅搴旂敤紼嬪簭鏈緇堝皢浼氬洜涓鴻楀敖浜嗚祫婧愯屽穿婧冦俰BATIS妗嗘灦鑳藉府鍔╃鐞嗚繖浜涜祫婧愶紝浠庤屽噺杞誨簲鐢ㄧ▼搴忓寮鍙戜漢鍛樹滑鐨勮礋鎷?br />
2. SQL娉ㄥ叆
濡傛灉鏌愪釜搴旂敤紼嬪簭浣跨敤瀛楃涓叉嫾鎺ョ殑鏂瑰紡鏉ュ垱寤篠QL璇彞錛屼絾鏄病鏈夋紜湴瀵瑰弬鏁拌繘琛岃漿涔夛紝閭d箞鎭舵剰鐨勭敤鎴峰氨鍙互閫氳繃浼犻掍竴浜涚壒孌婄殑鍙傛暟鏉ユ敼鍙樻煡璇㈠師鏈殑鎰忓浘銆?br />
渚嬪錛歴elect * from product where id = 5.
濡傛灉5鏄敤鎴蜂紶閫掕繃鏉ョ殑鍙傛暟錛屾嫾鎺ュ埌 id = 涔嬪悗鐨勩傞偅涔堢敤鎴峰氨鍙互杈撳叆"5 or 1 = 1"錛屼粠鑰屾敼鍙樹簡鏁翠釜SQL璇彞鐨勬剰鍥俱傚鏋滅敤鎴鋒洿鍧忎竴浜涳紝杈撳叆"5錛沝elete from orders"錛岀粨鏋滃氨鏄綘鐨勮鍗曡〃琚竻絀轟簡銆?br />
鐢變簬ibatis浣跨敤浜唒reparedStatement錛岃孭reparedStatement鏄笉浼氬彈鍒版綾繪敾鍑誨獎鍝嶇殑錛屾墍浠ヤ嬌鐢╥batis鍙互浣垮緱浣犲搴旂敤紼嬪簭鐨勪繚鎶ゅ彉寰楁洿鍔犲鏄撱?br />
3. 闄嶄綆澶嶆潅搴?br />