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serialVersionUID鎵嬪姩鏇存敼鎸囧崡

扬州沐宇科技
2024-06-27 16:46:21
serialVersionUID

搴忓垪鍖栫増鏈彿锛坰erialVersionUID锛夋槸鐢ㄦ潵纭繚鍦ㄥ弽搴忓垪鍖栬繃绋嬩腑锛岀被鐨勭増鏈笌搴忓垪鍖栨椂鐨勭増鏈繚鎸佷竴鑷寸殑閲嶈鏍囪瘑绗︺€傚鏋滅被鐨勭粨鏋勫彂鐢熶簡鍙樺寲锛岃€屾病鏈夋洿鏂板簭鍒楀寲鐗堟湰鍙凤紝鍙嶅簭鍒楀寲鏃跺彲鑳戒細鍑虹幇閿欒銆?/p>

浠ヤ笅鏄墜鍔ㄦ洿鏀箂erialVersionUID鐨勬楠わ細

  1. 鍦ㄧ被涓坊鍔犱竴涓猵rivate static final long serialVersionUID瀛楁锛屽苟璧嬩簣涓€涓敮涓€鐨勫€硷紝渚嬪锛歱rivate static final long serialVersionUID = 1L;

  2. 姣忓綋绫荤殑缁撴瀯鍙戠敓鍙樺寲鏃讹紝闇€瑕佹墜鍔ㄦ洿鏂皊erialVersionUID鐨勫€笺€傚彲浠ラ€氳繃鏀瑰彉鐗堟湰鍙锋垨鑰呭鍔犱竴涓暟瀛楁潵瀹炵幇锛屼緥濡傦細private static final long serialVersionUID = 2L;

  3. 鍦ㄥ弽搴忓垪鍖栨椂锛岀郴缁熶細姣旇緝绫荤殑serialVersionUID涓庡簭鍒楀寲鏃剁殑鐗堟湰鍙锋槸鍚︿竴鑷达紝濡傛灉涓嶄竴鑷村垯浼氭姏鍑篒nvalidClassException寮傚父銆?/p>

  4. 娉ㄦ剰锛屽鏋滀笉鎵嬪姩鎸囧畾serialVersionUID锛屽垯绯荤粺浼氭牴鎹被鐨勭粨鏋勮嚜鍔ㄧ敓鎴愪竴涓増鏈彿锛屼絾杩欑鑷姩鐢熸垚鐨勭増鏈彿鍙兘浼氬洜涓虹紪璇戝櫒銆丣VM绛夊洜绱犺€屽彂鐢熷彉鍖栵紝瀵艰嚧鍦ㄥ弽搴忓垪鍖栨椂鍑虹幇鐗堟湰涓嶄竴鑷寸殑闂銆?/p>

閫氳繃鎵嬪姩鏇存敼serialVersionUID锛屽彲浠ョ‘淇濆湪绫荤粨鏋勫彂鐢熷彉鍖栨椂鑳藉姝g‘鍦板弽搴忓垪鍖栧璞★紝閬垮厤鍑虹幇鐗堟湰涓嶄竴鑷寸殑闂銆?/p>

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