弹框组件

因为项目中使用的较多，因此封装了一个组件，便于使用。

/*
*@file 弹框组件
*@description 用于所有提示弹框
*@time 2016/11/29
*/
function PopModel(options) {
    var that = this;
    this.defaults = {
           width: ‘100px‘, // 默认框
          height: ‘120px‘, // 默认高
          isMask: true, // 是否遮罩
             dir: ‘mid‘, // mid中间，left左下，right右下
        addClass: ‘‘, // 设置不同样式的class
        headHtml: ‘<button type="button" class="close">关闭</button>‘, // 头部，不需要直接设置为空
        bodyHtml: ‘‘,// 内容
        footHtml: ‘<input type="button" value="确定" class="confirm"><input type="button" value="取消" class="cancel">‘,// 底部，不需要直接设置为空
        confireFn: function () {}, // 确认回调
         cancelFn: function () {} // 取消回调
    };
    this.opts = $.extend({}, this.defaults, options);
    this.dialogWrap = $(‘<div class="dialog-wrap">‘);
    this.modal = $(‘<div class="qbb-dialog ‘ + this.opts.addClass + ‘" style="position:fixed;border-radius:5px;background:#fff;z-index:99999;width:‘+ this.opts.width+‘;height:‘+ this.opts.height+‘">‘);
    this.header = $(‘<div class="modal-header">‘);
    this.obody = $(‘<div class="modal-body">‘);
    this.footer = $(‘<div class="modal-footer">‘);
    this.mask = $(‘<div class="mask" style="position:fixed;left:0;top:0;width:100%;height:100%;z-index:9999;background:#000;opacity:0.5">‘); // 遮罩

    this.objDir(this.modal, this.opts.dir);
    if (this.opts.headHtml != ‘‘) {
        this.header.append(this.opts.headHtml);
        this.modal.append(this.header);
    }
    if (this.opts.bodyHtml != ‘‘) {
        this.obody.append(this.opts.bodyHtml);
        this.modal.append(this.obody);
    }
    if (this.opts.footHtml != ‘‘) {
        this.footer.append(this.opts.footHtml);
        this.modal.append(this.footer);
    }
    if (this.opts.isMask) {
        $(this.dialogWrap).append(this.mask);
    }
    this.dialogWrap.append(this.modal);
    $(‘body‘).append(this.dialogWrap);

    $(document).on(‘click‘, ‘.mask, .dialog-wrap .close‘, function () {
        that.closeFn();
    });

    $(this.footer).find(‘.confirm‘).on(‘click‘, function() {
        that.opts.confireFn();
        that.closeFn();
    });
    $(this.footer).find(‘.cancel‘).on(‘click‘, function() {
        that.opts.cancelFn();
        that.closeFn();
    })
}

PopModel.prototype = {
    constructor: PopModel,

    // 关闭函数
    closeFn: function () {
       this.dialogWrap.remove();
    },

    // 位置函数
    objDir: function (o, dir) {
        var w = $(o).outerWidth(true);
        var h = $(o).outerHeight(true);
        var winW = $(window).width();
        var winH = $(window).height();
        var oTop = ( winH - h )/2;
        var oLeft = ( winW - w )/2;
        if (dir == ‘mid‘) {
            $(o).css({‘left‘:oLeft, ‘top‘:oTop});
        } else if (dir == ‘left‘) {
            $(o).css({‘left‘:0, ‘bottom‘:0});
        } else if (dir == ‘right‘) {
            $(o).css({‘right‘:0, ‘bottom‘:0});
        }
    }
}

调用：

new PopModel({});