技术问答python鐨剉alueerror濡備綍澶勭悊 - 扬州沐宇科技

Python涓殑ValueError鏄竴绉嶅紓甯哥被鍨嬶紝褰撳嚱鏁版垨鎿嶄綔鎺ユ敹鍒颁竴涓棤鏁堢殑鍙傛暟鎴栨暟鎹椂浼氬紩鍙戣寮傚父銆傚鐞哣alueError鐨勬柟娉曟湁浠ヤ笅鍑犵锛?/p>

try:
    # 鍙兘寮曞彂ValueError鐨勪唬鐮?/span>
except ValueError as e:
    # 澶勭悊ValueError鐨勪唬鐮侊紝鍙互杈撳嚭閿欒淇℃伅鎴栬繘琛屽叾浠栨搷浣?/span>

if condition:
    # 鍙兘寮曞彂ValueError鐨勪唬鐮?/span>
else:
    # 澶勭悊鏃犳晥鏁版嵁鐨勪唬鐮?/span>

浣跨敤鍐呯疆鍑芥暟鎴栨ā鍧楁彁渚涚殑鏂规硶鏉ュ鐞哣alueError寮傚父锛屽int()鍑芥暟鍙互杞崲瀛楃涓蹭负鏁存暟锛屼絾濡傛灉瀛楃涓叉棤娉曡浆鎹负鏁存暟鏃朵細寮曞彂ValueError寮傚父锛屽彲浠ヤ娇鐢╰ry-except璇彞鏉ュ鐞嗭細

try:
    value = int(input("璇疯緭鍏ヤ竴涓暣鏁帮細"))
except ValueError:
    print("杈撳叆鐨勪笉鏄竴涓湁鏁堢殑鏁存暟")

鏍规嵁鍏蜂綋鐨勬儏鍐甸€夋嫨鍚堥€傜殑澶勭悊鏂规硶銆?/p>