Model = _.inherit(AbstractModel, { 3 propertys: function () { 4 this.data = { 5 blogs: [] 6 }; 7 }, add: function (title, type, label) { (!title || !type) return null; blog = {}; 14 blog.id = 'blog_' + _.uniqueId(); 15 blog.title = title; 16 blog.type = type; 17 if (label) blog.label = label.split(','); 18 else blog.label = []; .data.blogs.push(blog); .update(); blog; 26 }, remove: function (id) { ; 30 var i, len, data; 31 for (i = 0, len = this.data.blogs.length; i < len; i++) { 32 if (this.data.blogs[i].id === id) { 33 data = this.data.blogs.splice(i, 1) 34 this.update(); 35 return data; 36 } 37 } ; 39 }, getTypeInfo: function () { 42 var obj = {}; 43 var i, len, type; 44 for (i = 0, len = this.data.blogs.length; i < len; i++) { 45 type = this.data.blogs[i].type; 46 if (!obj[type]) obj[type] = 1; 47 else obj[type] = obj[type] + 1; 48 } 49 return obj; 50 }, getLabelInfo: function () { 53 var obj = {}, label; 54 var i, len, j, len1, blog, label; 55 for (i = 0, len = this.data.blogs.length; i < len; i++) { 56 blog = this.data.blogs[i]; 57 for (j = 0, len1 = blog.label.length; j < len1; j++) { 58 label = blog.label[j]; 59 if (!obj[label]) obj[label] = 1; 60 else obj[label] = obj[label] + 1; 61 } 62 } 63 return obj; 64 }, getNum: function () { .data.blogs.length; 68 } 69 70 });

这个时候再附上业务代码：