目录1.@Length示例：2.@Range示例：主要区别：总结：3.@NotNull示例：4.@NotBlank示例：主要区别：总结：使用场景：5.@Min示例：6.@Max示例：7.@Size示例：总结1.@Length
I\'m a desktop application developer, and I plan learning html5, but as it\'s not released, there are (almost) no published books and not too much infomation for beginners on the web... I feel I shoul
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