如何获得树上聚焦的节点名称

jjff 2010-06-17 05:01:05
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xiaotongiblcu 2012-03-15
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需要学习一下MzTreeView1.0
Dogfish 2010-06-18
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你说的是不是cftree?
设备树(device tree)机制是Linux内核从linux-3.x版本开始引进的一种机制,目的是解决内核源码的arch/arm目录下代码混乱的问题:随着ARM生态的快速发展,在内核源码的arch/arm目录下,存放着几十种arm芯片和几百个开发板相关的源文件,很多开发板和处理器的中断、寄存器等相关硬件资源都在这个目录下以.c或.h的文件格式定义。而对于内核来说,与这些硬件耦合,会导致内核代码混乱不堪,每个开发板上运行的内核镜像都必须单独编译配置,无法通用。什么时候Linux内核能像Windows镜像那样,无论你的电脑什么配置,一个Windows安装包,都可以直接下载安装运行呢?设备树机制,实现了Linux内核和硬件平台的解耦:每个硬件平台的硬件资源使用一个设备树文件(xxx.dts)来描述,而不是在arch/arm下以.c 或 .h 文件来定义。Linux内核是一个通用的内核,在启动过程中,在通过解析设备树中的硬件资源来初始化某个具体的平台。 引入设备树后,很多和内核驱动开发的工作也发生了变化:以往驱动工程师关注的头文件宏定义、寄存器定义,现在这些基本上不用关注,关注的重点则转向了如何根据硬件平台去配置和修改设备树文件。很多驱动的编程接口也发生了变化,开始慢慢使用device tree提供的编程接口去开发驱动。本期课程主要面向嵌入式开发人员,分享Linux下驱动开发所需要的设备树知识和必备技能
一、DOM:文档对象模型,是由JavaScript节点对象组成的层次结构/树1、节点对象类型:nodeType(共用12种类型,仅列出了常用的几个) ELEMENT_NODE = 1 元素节点 如 :
<script> ATTRIBUTE_NODE = 2 属性节点 如 : TEXT_NODE = 3</a></div><div data-report-view="{"mod":"popu_645","index":"5","dest":"https://blog.csdn.net/chenqk_123/article/details/44085973","strategy":"2~default~OPENSEARCH~Rate","extra":"{\"utm_medium\":\"distribute.pc_relevant_bbs_down_v2.none-task-blog-2~default~OPENSEARCH~Rate-5-44085973-bbs-340137119.264^v3^pc_relevant_bbs_down_cate\",\"dist_request_id\":\"1713868196485_86305\"}","spm":"1035.2023.3001.6557"}" class="list-item" data-v-ca2d15ac><div class="recommend-title" data-v-ca2d15ac><img 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data-report-click="{"mod":"popu_645","index":"5","dest":"https://blog.csdn.net/chenqk_123/article/details/44085973","strategy":"2~default~OPENSEARCH~Rate","extra":"{\"utm_medium\":\"distribute.pc_relevant_bbs_down_v2.none-task-blog-2~default~OPENSEARCH~Rate-5-44085973-bbs-340137119.264^v3^pc_relevant_bbs_down_cate\",\"dist_request_id\":\"1713868196485_86305\"}","spm":"1035.2023.3001.6557"}" data-report-query="spm=1035.2023.3001.6557&utm_medium=distribute.pc_relevant_bbs_down_v2.none-task-blog-2~default~OPENSEARCH~Rate-5-44085973-bbs-340137119.264^v3^pc_relevant_bbs_down_cate&depth_1-utm_source=distribute.pc_relevant_bbs_down_v2.none-task-blog-2~default~OPENSEARCH~Rate-5-44085973-bbs-340137119.264^v3^pc_relevant_bbs_down_cate" class="title" data-v-ca2d15ac>Easyui tree <em>节点</em>的增删改以及同后台交互</a></div> <a target="_blank" href="https://blog.csdn.net/chenqk_123/article/details/44085973" data-report-click="{"mod":"popu_645","index":"5","dest":"https://blog.csdn.net/chenqk_123/article/details/44085973","strategy":"2~default~OPENSEARCH~Rate","extra":"{\"utm_medium\":\"distribute.pc_relevant_bbs_down_v2.none-task-blog-2~default~OPENSEARCH~Rate-5-44085973-bbs-340137119.264^v3^pc_relevant_bbs_down_cate\",\"dist_request_id\":\"1713868196485_86305\"}","spm":"1035.2023.3001.6557"}" data-report-query="spm=1035.2023.3001.6557&utm_medium=distribute.pc_relevant_bbs_down_v2.none-task-blog-2~default~OPENSEARCH~Rate-5-44085973-bbs-340137119.264^v3^pc_relevant_bbs_down_cate&depth_1-utm_source=distribute.pc_relevant_bbs_down_v2.none-task-blog-2~default~OPENSEARCH~Rate-5-44085973-bbs-340137119.264^v3^pc_relevant_bbs_down_cate" class="desc" data-v-ca2d15ac>初试easyui,功能挺强大,但是研究了一下,逐渐攻克easyui的各个模块,今天主要是关于easyui tree的一些使用主要包括四方面,初始化加载tree(当然这里使用初始化tree数据并不是页面生成的,而是通过后台取出来的数据组装成的json  tree,然后生成树),添加子<em>节点</em>,修改子<em>节点</em>,删除子<em>节点</em>,以及叶子<em>节点</em>加载tab,根据数据库数据来生成图表趋势图。</a></div></div></div></div> <div class="public_pc_right_footer2020" style="display:none;" data-v-4a5a7f56></div></div> <div id="right-floor-user-content_562" data-editor="{"type":"floor","pageId":143,"floorId":562}" class="user-right-floor right-box main-box detail-user-right" data-v-229a00b0><div class="__vuescroll" style="height:100%;width:100%;padding:0;position:relative;overflow:hidden;"><div class="__panel __hidebar" style="position:relative;box-sizing:border-box;height:100%;overflow-y:hidden;overflow-x:hidden;transform-origin:;transform:;"><div class="__view" style="position:relative;box-sizing:border-box;min-width:100%;min-height:100%;"><!----><div comp-data="[object Object]" baseInfo="[object Object]" community="[object Object]" class="introduce" data-v-4722a3ae><div class="introduce-title" data-v-4722a3ae><div class="img-info" data-v-4722a3ae><a 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