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SharePoint 使用ECMAscript对象模型来读取帖子列表

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互联网集市收集整理的这篇技术教程文章主要介绍了SharePoint 使用ECMAscript对象模型来读取帖子列表，小编现在分享给大家，供广大互联网技能从业者学习和参考。文章包含6804字，纯文字阅读大概需要10分钟。

内容图文

本随笔讲述如何用JavaScript来读取SharePoint 2013 中blog相关的帖子列表。

ASCX File Content: 
<div id="divGetItemsFromPosts" title="读取贴子列表"></div><br />
<div id="divGetItemsFromComments" title="读取某个帖子的所有回贴"></div><br />
<script src="/_layouts/15/Learning_ECMAScript/Learning_WP_Blog.js"></script>
 
JS File Content(Learning_WP_Blog.js): 
                      1
                    //
                    读取帖子列表里的前10条帖子
                      2
                    //
                    Get top 10 items from Posts List in the blog site
                      3
                    var
                     collListItem;

                      4
                    var getItemsFromPosts = function (blogSiteUrl) {
  5var clientContext = new SP.ClientContext(blogSiteUrl);
  6var oWebsite = clientContext.get_web();
  7var oList = oWebsite.get_lists().getByTitle(‘Posts‘);
  8var camlQuery = new SP.CamlQuery();
  9     camlQuery.set_viewXml(‘<View><Query><Where><IsNotNull><FieldRef Name=\‘Title\‘ /></IsNotNull></Where></Query><RowLimit>10</RowLimit></View>‘);
 10     collListItem = oList.getItems(camlQuery);
 11     clientContext.load(collListItem, ‘Include(Id,Title,Body,Created,Author,NumComments,LikesCount,LikedBy)‘);
 12    clientContext.executeQueryAsync(getItemsFromPostsSucceeded, getItemsFromPostsFailed);
 13};
 14 15var getItemsFromPostsSucceeded = function () {
 16var itemsFromPostsHTML = ‘<strong>---------------Get top 10 items from Posts List in the blog site-------------</strong><br/>‘;
 17var listItemEnumerator = collListItem.getEnumerator();
 18var oListItem, i = 1, tempCreated;
 19var tempAuthor, tempNumComments, tempLikedBy, tempAuthorArr, tempNumCommentsArr, tempLikedByArr;
 20while (listItemEnumerator.moveNext()) {
 21         oListItem = listItemEnumerator.get_current();
 22         tempCreated = oListItem.get_item(‘Created‘);
 23         tempCreated = tempCreated.getDate() + ‘/‘ + (tempCreated.getMonth() + 1) + ‘/‘ + tempCreated.getFullYear() + ‘ ‘ + tempCreated.getHours() + ‘:‘ + tempCreated.getMinutes();
 24 25         tempAuthor = oListItem.get_item(‘Author‘);
 26         tempNumComments = oListItem.get_item(‘NumComments‘);
 27         tempLikedBy = oListItem.get_item(‘LikedBy‘);
 28         tempAuthorArr = [];
 29         tempNumCommentsArr = [];
 30         tempLikedByArr = [];
 31 32for (var property in tempAuthor) {
 33if (typeof tempAuthor[property] != ‘function‘ && property == ‘$2d_1‘)
 34                tempAuthorArr.push(tempAuthor[property]);
 35        }
 36for (var property in tempNumComments) {
 37if (typeof tempNumComments[property] != ‘function‘ && property == ‘$1E_1‘)
 38                tempNumCommentsArr.push(tempNumComments[property]);
 39        }
 40if (tempLikedBy) {
 41for (var property in tempLikedBy) {
 42if (typeof tempLikedBy[property] != ‘function‘)
 43                    tempLikedByArr.push(tempLikedBy[property].get_lookupValue());
 44            }
 45        }
 46 47         tempNumComments = tempNumCommentsArr.join(‘, ‘);
 48if (tempNumComments != ‘0‘)
 49             tempNumComments = ‘&nbsp;&nbsp;<input type="button" onclick="getItemsFromComments(\‘/Nigel\‘,‘ + oListItem.get_id() + ‘,\‘‘ + oListItem.get_item(‘Title‘) + ‘\‘);" value="‘ + tempNumComments + ‘ Comments" />‘;
 50 51         itemsFromPostsHTML += ‘<div style="margin-bottom:20px;background-color:‘ + (i % 2 == 1 ? ‘#ACC8DF‘ : ‘#CCC9BF‘) + ‘"><strong>**Top ‘ + i + ‘</strong><br/>‘ +
 52             ‘ID: ‘ + oListItem.get_id() + ‘<br/>‘ +
 53             ‘Title: ‘ + oListItem.get_item(‘Title‘) + ‘<br/>‘ +
 54             ‘Body: ‘ + oListItem.get_item(‘Body‘) + ‘<br/>‘ +
 55             ‘Created: ‘ + tempCreated + ‘<br/>‘ +
 56             ‘Author :‘ + tempAuthorArr.join(‘, ‘) + ‘<br/>‘ +
 57             ‘NumComments: ‘ + tempNumComments + ‘<br/>‘ +
 58             ‘LikesCount: ‘ + (oListItem.get_item(‘LikesCount‘) || 0) + ‘<br/>‘ +
 59              ‘LikedBy: ‘ + tempLikedByArr.join(‘, ‘) + ‘</div>‘;
 60         i++;
 61    }
 62     document.getElementById(‘divGetItemsFromPosts‘).innerHTML = itemsFromPostsHTML;
 63};
 64 65var getItemsFromPostsFailed = function (sender, args) {
 66     alert(‘Request failed. ‘ + args.get_message() + ‘\r\n‘ + args.get_stackTrace());
 67};
 68 69//读取某个帖子的所有回贴 70//Get items from Comments List in the blog site 71var collListItem2;
 72var currentPostTitle;
 73var getItemsFromComments = function (blogSiteUrl, postId, postTitle) {
 74var clientContext = new SP.ClientContext(blogSiteUrl);
 75var oWebsite = clientContext.get_web();
 76var oList = oWebsite.get_lists().getByTitle(‘Comments‘);
 77     currentPostTitle = postTitle;
 78var camlQuery = new SP.CamlQuery();
 79     camlQuery.set_viewXml(‘<View><Query><Where><Eq><FieldRef Name=\‘PostID\‘/><Value Type=\‘Lookup\‘>‘ + postId + ‘</Value></Eq></Where></Query><RowLimit>10</RowLimit></View>‘);
 80     collListItem2 = oList.getItems(camlQuery);
 81     clientContext.load(collListItem2, ‘Include(Id,Title,Body,Created,Author)‘);
 82    clientContext.executeQueryAsync(getItemsFromCommentsSucceeded, getItemsFromCommentsFailed);
 83};
 84 85var getItemsFromCommentsSucceeded = function () {
 86var itemsFromCommentsHTML = ‘<strong>---------------Get items from Comments List in the blog site---------------</strong><br/>‘;
 87     itemsFromCommentsHTML += ‘<strong>The Comments of Post (‘+ currentPostTitle +‘)</strong><br/>‘;
 88var listItemEnumerator = collListItem2.getEnumerator();
 89var oListItem, i = 1, tempCreated;
 90var tempAuthor, tempAuthorArr;
 91while (listItemEnumerator.moveNext()) {
 92         oListItem = listItemEnumerator.get_current();
 93         tempCreated = oListItem.get_item(‘Created‘);
 94         tempCreated = tempCreated.getDate() + ‘/‘ + (tempCreated.getMonth() + 1) + ‘/‘ + tempCreated.getFullYear() + ‘ ‘ + tempCreated.getHours() + ‘:‘ + tempCreated.getMinutes();
 95 96         tempAuthor = oListItem.get_item(‘Author‘);
 97         tempAuthorArr = [];
 98 99for (var property in tempAuthor) {
100if (typeof tempAuthor[property] != ‘function‘ && property == ‘$2d_1‘)
101                tempAuthorArr.push(tempAuthor[property]);
102        }
103104         itemsFromCommentsHTML += ‘<div style="margin:0 20px 20px 20px;background-color:‘ + (i % 2 == 1 ? ‘#CFBCCF‘ : ‘#E4E8A4‘) + ‘"><strong>**Top ‘ + i + ‘</strong><br/>‘ +
105             ‘ID: ‘ + oListItem.get_id() + ‘<br/>‘ +
106             ‘Title: ‘ + oListItem.get_item(‘Title‘) + ‘<br/>‘ +
107             ‘Body: ‘ + oListItem.get_item(‘Body‘) + ‘<br/>‘ +
108             ‘Created: ‘ + tempCreated + ‘<br/>‘ +
109             ‘Author :‘ + tempAuthorArr.join(‘, ‘) + ‘</div>‘;
110         i++;
111    }
112     document.getElementById(‘divGetItemsFromComments‘).innerHTML = itemsFromCommentsHTML;
113};
114115var getItemsFromCommentsFailed = function (sender, args) {
116     alert(‘Request failed. ‘ + args.get_message() + ‘\r\n‘ + args.get_stackTrace());
117};
118119//初始化120//Init121 _spBodyOnLoadFunctionNames.push(‘documentReady‘);
122function documentReady() {
123     SP.SOD.executeFunc(‘sp.js‘, ‘SP.ClientContext‘, function () {
124         getItemsFromPosts(‘/Nigel‘);
125    });
126 }

 

效果：
技术分享
 

原文：http://www.cnblogs.com/huangjianwu/p/4538574.html

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