override func titleStr() -> String {
    return "Title"
}

override func rightStr() -> String {
    return "rightTitle"
}

override func leftStr() -> String {
    return "leftTitle"
}

override func rightTitles() -> NSArray {
    return ["右边按钮1", "右边按钮2"]
}

override func rightClick() {
    
}

override func leftClick() {
    
} 

override func titleClick() {
    
}

override func rightClickAtIndexBtn(button: UIButton) {
    println("点击了btn")
    println(button)
}

override func rightImg() -> String {
    return "xx.jpg"
}

override func leftImg() -> String {
    return return "xx.jpg"
}

override func titleImg() -> String {
    return "xx.jpg"
}

// 背景色
let BG_COLOR = UIColor(rgba: "e6e6e6")
// 返回按钮的图片名
let BACK_NAME = "nav_back"
// 自定义导航高度
let NAV_BAR_HEIGHT:CGFloat = 44
// 顶部的Y值
let NAV_BAR_Y:CGFloat = 20
// 按钮的宽度
let NAV_ITEM_LEFT_W:CGFloat = 45
let NAV_ITEM_RIGHT_W:CGFloat = 45
// 按钮的字体
let NAV_ITEM_FONT:UIFont = UIFont.systemFontOfSize(16)
// 标题的字体
let NAV_TITLE_FONT:UIFont = UIFont.systemFontOfSize(18)
// 字体的颜色
let NAV_TEXT_COLOR:UIColor = UIColor.whiteColor()
// 导航栏的颜色
let NAV_BG_COLOR = UIColor(rgba: "ff9814")
// 顶部的Y
let TOP_Y:CGFloat = 	(CGFloat((UIDevice.currentDevice().systemVersion as NSString).floatValue) >= 7.0) ? 64.0 : 44.0
// Margin
let MARGIN_8:CGFloat = 8.0

Copyright (c) 2015 MakeZL (@MakeZL)

Permission is hereby granted, free of charge, to any person obtaining a copy of
this software and associated documentation files (the "Software"), to deal in
the Software without restriction, including without limitation the rights to use,
copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the
Software, and to permit persons to whom the Software is furnished to do so,
subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.