角度弧度格式转换

包含以下内容，支持不同格式的角度格式转换，角度转换为弧度，弧度转换为角度等 % deg2rad - Degrees to radians % dms2deg - Degrees,minutes,seconds to degrees % dms2rad - Degrees,minutes,seconds to radians % rad2deg - Radians to degrees % rad2dms - Radians to degrees,minutes,seconds % rad2sec - Radians to seconds % sec2rad - Seconds to radians %dms2deg2 - dd.mmss to degrees