在apis.py中定义一个Page类用于存储分页信息:
class Page(object): def __init__(self, item_count, page_index=1, page_size=10): self.item_count = item_count self.page_size = page_size self.page_count = item_count // page_size + (1 if item_count % page_size > 0 else 0) if (item_count == 0) or (page_index self.page_count): self.offset = 0 self.limit = 0 self.page_index = 1 else: self.page_index = page_index self.offset = self.page_size * (page_index - 1) self.limit = self.page_size self.has_next = self.page_index 1
在urls.py中实现API:
def _get_blogs_by_page(): total = Blog.count_all() page = Page(total, _get_page_index()) blogs = Blog.find_by('order by created_at desc limit ?,?', page.offset, page.limit) return blogs, page @api @get('/api/blogs') def api_get_blogs(): blogs, page = _get_blogs_by_page() return dict(blogs=blogs, page=page)
返回模板页面:
@view('manage_blog_list.html') @get('/manage/blogs') def manage_blogs(): return dict(page_index=_get_page_index(), user=ctx.request.user)
模板页面首先通过API:GET /api/blogs?page=?拿到Model:
{ "page": { "has_next": true, "page_index": 1, "page_count": 2, "has_previous": false, "item_count": 12 }, "blogs": [...] }
然后,通过Vue初始化MVVM:
function initVM(data) { $('#div-blogs').show(); var vm = new Vue({ el: '#div-blogs', data: { blogs: data.blogs, page: data.page }, methods: { previous: function () { gotoPage(this.page.page_index - 1); }, next: function () { gotoPage(this.page.page_index + 1); }, edit_blog: function (blog) { location.assign('/manage/blogs/edit/' + blog.id); } } }); } $(function() { getApi('/api/blogs?page={{ page_index }}', function (err, results) { if (err) { return showError(err); } $('#div-loading').hide(); initVM(results); }); });
View的容器是#div-blogs,包含一个table,我们用v-repeat可以把Model的数组blogs直接变成多行的 :
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