一,setBit testBit权限管理的理解 1.1.jdk7文档解释 public boolean testBit(int n)Returns true if and only if the designated bit is set. (Computes((this & (1<<n)) != 0).)Parameters:n - index of bit to test.Returns:true if and only if the designated bit is set.T…
1.jdk7文档解释 public boolean testBit(int n) Returns true if and only if the designated bit is set. (Computes((this & (1<<n)) != 0).) Parameters: n - index of bit to test. Returns: true if and only if the designated bit is set. Throws: ArithmeticExc…
一,查找按钮权限的设置 第一步:会根据用户的相关信息去查到它的角色表: SELECT * FROM SYS_USER WHERE user_id='eded77bdf35347249b2bacfa181c869d' 第二步:有了角色表之后再根据角色与权限的中间表查到权限表相关的信息:buttonQXnamelist = buttonrightsService.listAllBrAndQxname(ROLE_ID); //此角色拥有的按钮权限标识列表SELECT * FROM SYS_ROLE_F…