更多区块链技术与应用分类：
错误代码
被访问合约
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contract BagUserAdmin { mapping(bytes32 => RecordBean) bagRecordOf; } |
访问合约
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contract UserGiveLikes{ BagUserAdmin internal bagUserAdmin; constructor(address BagUserAdminAddress){ bagUserAdmin = BagUserAdmin(BagUserAdminAddress); } // 直接去访问该合约对象的mapping bagRecordBean = bagUserAdmin.bagRecordOf[TypeConvertUtil.stringToBytes32(_forBagid)]; } |
正确引用：
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contract BagUserAdmin is TableDefTools{ mapping(bytes32 => RecordBean) bagRecordOf; function getBagValues(string _bagid) public view returns(string []){ return bagRecordOf[TypeConvertUtil.stringToBytes32(_bagid)].values; } } |
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contract UserGiveLikes{ BagUserAdmin internal bagUserAdmin; constructor(address BagUserAdminAddress){ bagUserAdmin = BagUserAdmin(BagUserAdminAddress); } // 通过getter方法去访问该合约对象的mapping bagRecordValues = bagUserAdmin.getBagValues(_forBagid); } |
