个回答

• wyl_wear

  2016-01-05 17:24:36

  // 随机生成数值方法
  function random(range){//支持负数范围
      var max = Math.max(range[0],range[1]);
      var min = Math.min(range[0],range[1]);
  
      var diff = max - min;
      var number = Math.ceil((Math.random() * diff + min));
      return number;
  }

  
  

  //  输出所有的海报方法

  var data = data;

  function addPhotos(){
      var template = g('#wrap').innerHTML;
      var html = [];
      var nav = [];
  
      for (var i = 0; i < data.length; i++) {
          var _html = template.replace('{{index}}',i)
                              .replace('{{img}}',data[i].img)
                              .replace('{{caption}}',data[i].caption)
                              .replace('{{desc}}',data[i].desc);
          html.push(_html);
          // console.log(_html);
          nav.push('<span id="nav_'+i+'" class="i" onclick="turn(g(\'#photo_'+i+'\'))">&nbsp;</span>');
      }
  
      html.push('<div class="nav">'+nav.join('')+'</div>');
  
      g('#wrap').innerHTML = html.join('');
  
      posterSort(random([0,data.length-1]));
      
  }
  
  addPhotos();

  
  

  // 海报排序方法
  
  function posterSort (n) {
      var photo_center = g('#photo_' + n);
      photo_center.className += ' photo_center';
  }

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