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\u4eca\u5929\u628a\u6211\u7684\u4e00\u4e2a\u641e\u7b11\u56fe\u7247\u7ad9\uff0chttp:\/\/www.nbqq.net\/gaoxiao<\/a> \u7684\u7a0b\u5e8f\u8fdb\u884c\u4e86\u4e00\u4e0b\u5b8c\u5584\uff0c\u4e3b\u8981\u662f\u5bf9\u8f93\u51fa\u7684\u56fe\u7247\u5927\u5c0f\u8fdb\u884c\u4e86\u4e00\u4e0b\u7b97\u6cd5\u8c03\u6574\u3002\u56e0\u4e3a\u6211\u7684\u663e\u793a\u6846\u67b6\u4e3a730\u50cf\u7d20\u5bbd\uff0c\u5982\u679c\u56fe\u7247\u5927\u5c0f\u4e3a800px\u7684\u8bdd\uff0c\u663e\u793a\u5c31\u4f1a\u9519\u4e71\uff08\u80af\u5b9a\u4f1a\u7684\uff0c\u6211\u9a8c\u8bc1\u4e86\u7684\uff09\u3002\u6240\u4ee5\u8981\u505a\u7684\u5c31\u662f\u5224\u65ad\u4e00\u4e0b\uff0c\u5982\u679c\u56fe\u7247\u5bbd\u5ea6\u5927\u4e8e720px\u7684\u8bdd\uff0c\u5c31\u8981\u505a\u8c03\u6574\uff0c\u5f3a\u5236\u8bbe\u5bbd\u5ea6 \u4e3a720px\uff0c\u90a3\u4e48\u8981\u8f93\u51fa\u9ad8\u5ea6\u5c31\u662f\uff1ah=\uff08\u539f\u6709\u9ad8\u5ea6*720\uff09\/\u539f\u6709\u5bbd\u5ea6\u3002\u82e5\u5bbd\u5ea6\u5c0f\u4e8e720\u7684\u8bdd\uff0c\u5219\u4e0d\u8fdb\u884c\u8c03\u6574\u3002\u4e3b\u8981\u7528\u5230\u7684\u51fd\u6570\u662fgetimagesize()\u3002\u4e0b\u9762\u8d34\u51fa\u6211\u7684\u4ee3\u7801\uff0c\u4f9b\u53c2\u8003\uff08$data_sh\u4e3a\u6211\u5df2\u5f97\u5230\u7684\u4e00\u4e2a\u6570\u7ec4\uff09\uff1a<\/p>\n

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