jquery easyui tree动态加载-服务端struts返回json数据

json

适用于现代 C++ 的 JSON。

项目地址：https://gitcode.com/gh_mirrors/js/json

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cf

14331人浏览 · 2012-05-31 21:20:10

cf · 2012-05-31 21:20:10 发布

第一种方法:

js:

<script type="text/javascript">
	$(function() {
		$(document).ready(function() {

			$.post("./test/tree.action", {}, function(json) {

				$("#tt").tree({
					data : json.itemsList,
					onClick : function(node) {
						$.post("./test/tree.action", {
							"id" : node.id
						}, function(json) {
							$('#tt').tree('append', {
								parent : node.target,
								data : json.data
							});
						}, "json");

					}
				});
			}, "json");
		});
	});
</script>
</head>
<body>
	<ul id="tt"></ul>
</body>

struts:

action:

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import org.apache.struts2.json.annotations.JSON;

import com.opensymphony.xwork2.ActionSupport;

public class TreeAction extends ActionSupport {
	private List<Map<String, Object>> itemsList;
	
	private int id;

	@Override
	public String execute() throws Exception {
		
		itemsList = new ArrayList<Map<String, Object>>();
		for (int i = 0; i < 5; i++) {
			Map<String, Object> item = new HashMap<String, Object>();
			item.put("id", i);
			item.put("text", i);
			item.put("state", "closed");
		//	item.put("children", itemsList2);
			itemsList.add(item);
		}

		return super.execute();
	}

	@JSON(serialize = true, name = "data")
	public List<Map<String, Object>> getItemsList() {
		return itemsList;
	}

	public void setItemsList(List<Map<String, Object>> itemsList) {
		this.itemsList = itemsList;
	}

}

struts.xml

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE struts PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 2.1//EN" "http://struts.apache.org/dtds/struts-2.1.dtd">
<struts>

	<package name="test" extends="json-default" namespace="/test">
		<action name="tree"
			class="com.test.struts.TreeAction">
			<result name="success" type="json"></result>
		</action>
	</package>

</struts>

第二种方法:

js:

<script type="text/javascript">
	$(function() {
		$(document).ready(function() {
			$("#tt2").tree({
				url : "test/tree.action"
			});

		});

	});
</script>
</head>
<body>
	<ul id="tt2"></ul>
</body>

struts:

public class TreeAction extends ActionSupport {

	private int id;

	@Override
	public String execute() throws Exception {
		//可根据id查找相应节点

		itemsList = new ArrayList<Map<String, Object>>();
		for (int i = 0; i < 5; i++) {
			Map<String, Object> item = new HashMap<String, Object>();
			item.put("id", i);
			item.put("text", i);
			item.put("state", "closed");
			// item.put("children", itemsList2);
			itemsList.add(item);
		}

		String data = JSONUtils.toJson(itemsList).toString();

		ServletActionContext.getResponse().getWriter().write(data);
		
		return null;
	}

//getter

//setter
}

GitHub 加速计划 / js / json

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适用于现代 C++ 的 JSON。

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f06604fc * :page_facing_up: bump the copyright years Signed-off-by: Niels Lohmann <mail@nlohmann.me> * :page_facing_up: bump the copyright years Signed-off-by: Niels Lohmann <mail@nlohmann.me> * :page_facing_up: bump the copyright years Signed-off-by: Niels Lohmann <niels.lohmann@gmail.com> --------- Signed-off-by: Niels Lohmann <mail@nlohmann.me> Signed-off-by: Niels Lohmann <niels.lohmann@gmail.com> 1 个月前

d23291ba * add a ci step for Json_Diagnostic_Positions Signed-off-by: Harinath Nampally <harinath922@gmail.com> * Update ci.cmake to address review comments Signed-off-by: Harinath Nampally <harinath922@gmail.com> * address review comment Signed-off-by: Harinath Nampally <harinath922@gmail.com> * fix typo in the comment Signed-off-by: Harinath Nampally <harinath922@gmail.com> * fix typos in ci.cmake Signed-off-by: Harinath Nampally <harinath922@gmail.com> * invoke the new ci step from ubuntu.yml Signed-off-by: Harinath Nampally <harinath922@gmail.com> * issue4561 - use diagnostic positions for exceptions Signed-off-by: Harinath Nampally <harinath922@gmail.com> * fix ci_test_documentation check Signed-off-by: Harinath Nampally <harinath922@gmail.com> * address review comments Signed-off-by: Harinath Nampally <harinath922@gmail.com> * fix ci check failures for unit-diagnostic-postions.cpp Signed-off-by: Harinath Nampally <harinath922@gmail.com> * improvements based on review comments Signed-off-by: Harinath Nampally <harinath922@gmail.com> * fix const correctness string Signed-off-by: Harinath Nampally <harinath922@gmail.com> * further refinements based on reviews Signed-off-by: Harinath Nampally <harinath922@gmail.com> * add one more test case for full coverage Signed-off-by: Harinath Nampally <harinath922@gmail.com> * ci check fix - add const Signed-off-by: Harinath Nampally <harinath922@gmail.com> * add unit tests for json_diagnostic_postions only Signed-off-by: Harinath Nampally <harinath922@gmail.com> * fix ci_test_diagnostics Signed-off-by: Harinath Nampally <harinath922@gmail.com> * fix ci_test_build_documentation check Signed-off-by: Harinath Nampally <harinath922@gmail.com> --------- Signed-off-by: Harinath Nampally <harinath922@gmail.com> 1 个月前