1.从服务器或者其他地方取到值myNumber,判断,出现如下:
// Comparison between pointer and integer ('id _Nullable' and 'int')
if (myNumber == 0) {
}
2.解决:转换类型
if ([myNumber intValue] == 0) {
}
// Comparison between pointer and integer ('id _Nullable' and 'int')
if (myNumber == 0) {
}
if ([myNumber intValue] == 0) {
}
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