在crm的开发过程中，我们经常会用到在js中查询数据， dynamics提供了webapi供我们使用，但在使用的时候不是直接通过实体名去进行查询的。
实体名以s结尾，如 tb_crms，查询的时候就是tb_crmses，后面加es
以y结尾：tb_crmy---tb_crmies
以es结尾：tb_crmes---tb_crmeses
其他的通通加s
PS：webapi查询时实体名只能是小写，同一实体中操作
添加
var localUrl = Xrm.Page.context.getClientUrl() + "/api/data/v9.0/";
function getXmlHttpRequestHH() { //获取响应请求头
var xmlHttp;
if (window.ActiveXObject) {
var aVersions = ["Msxml2.XMLHttp", "Msxml2.XMLHttp.5.0", "Msxml2.XMLHttp.4.0", "Msxml2.XMLHttp.3.0", "Microsoft.XMLHttp"];
for (var i = 0; i < aVersions.length; i++) {
try {
xmlHttp = new ActiveXObject(aVersions[i]);
break;
} catch (e) { } 1
}
} else if (window.XMLHttpRequest) {
xmlHttp = new XMLHttpRequest();
}
return xmlHttp;
}
function CreateEntity(entityname, jsondata) { //使用原生ajax添加信息
debugger;
var requestURL = localUrl + entityname;
var xmlhttp = getXmlHttpRequestHH();
if (xmlhttp == null) {
var obj = new Object();
obj.error = new Object();
obj.error.message = new Object();
obj.error.message.value = "您的浏览器不支持XmlHttpRequest，请更新或使用IE浏览器！";
return obj;
}
xmlhttp.open("POST", requestURL, false);
xmlhttp.setRequestHeader("Content-Type", "application/json; charset=utf-8");
xmlhttp.setRequestHeader("Accept", "application/json");
//Accept请求头用来告知（服务器）客户端可以处理的内容类型，这种内容类型用MIME类型来表示
xmlhttp.setRequestHeader("OData-MaxVersion", "4.0");
xmlhttp.setRequestHeader("OData-Version", "4.0");
xmlhttp.send(jsondata);
if (xmlhttp.readyState == 4) {
xmlhttp.onreadystatechange = null;
if (xmlhttp.status == 204) {
//return jsonObject[0];
var str = xmlhttp.getResponseHeader("OData-EntityId");
return str.substr(str.indexOf('(') + 1, 36);
}
else {
return JSON.parse(xmlhttp.response);
}
}
}
function GetData() //获取传入的参数，调用添加函数进行参数的添加
{
//获取一个当前的实体名称，该实体名称必须为复数形式
let name = window.parent.Xrm.Page.data.entity.getEntityName();
let a = name[name.length - 2];//t
let b = name[name.length - 1];//y
let c = a + b;//ty
if (b == "y") {
b = "ies";
}
else if (b == "s" || c == "es") {
b = "ses";
}
else {
b = b + "s";
}
name = name.substring(0, name.length - 1);
name = name + b;
var jsondata = {};
jsondata.new_name = Xrm.Page.getAttribute("new_name").getValue();
jsondata.new_client_name = Xrm.Page.getAttribute("new_client_name").getValue();
jsondata.new_client_id = Xrm.Page.getAttribute("new_client_id").getValue();
jsondata.new_client_sex = Xrm.Page.getAttribute("new_client_sex").getValue();
jsondata.new_client_addtime = Xrm.Page.getAttribute("new_client_addtime").getValue();
jsondata.new_client_float = Xrm.Page.getAttribute("new_client_float").getValue();
jsondata.new_client_a = Xrm.Page.getAttribute("new_client_a").getValue();
jsondata.new_client_money = Xrm.Page.getAttribute("new_client_money").getValue();
jsondata.new_client_cardnumber = Xrm.Page.getAttribute("new_client_cardnumber").getValue();
jsondata.new_client_summary = Xrm.Page.getAttribute("new_client_summary").getValue();
CreateEntity(name, JSON.stringify(jsondata)); //调用方法
}
修改
var localUrl = Xrm.Page.context.getClientUrl()+"/api/data/v9.0/"
function getXmlHttpRequestHH() {
var xmlHttp;
if (window.ActiveXObject) {
var aVersions = ["Msxml2.XMLHttp", "Msxml2.XMLHttp.5.0", "Msxml2.XMLHttp.4.0", "Msxml2.XMLHttp.3.0", "Microsoft.XMLHttp"];
for (var i = 0; i < aVersions.length; i++) {
try {
xmlHttp = new ActiveXObject(aVersions[i]);
break;
} catch (e) { } 1
}
} else if (window.XMLHttpRequest) {
xmlHttp = new XMLHttpRequest();
}
return xmlHttp;
}
//更新记录的多个字段的值
function UpdateMul(entityname, id, jsondata) {
debugger;
var requestURL = localUrl + entityname + "(" + id + ")";
var xmlhttp = getXmlHttpRequestHH();
if (xmlhttp == null) {
var obj = new Object();
obj.error = new Object();
obj.error.message = new Object();
obj.error.message.value = "您的浏览器不支持XmlHttpRequest，请更新或使用IE浏览器！";
return obj;
}
xmlhttp.open("PATCH", requestURL, false);
xmlhttp.setRequestHeader("Accept", "application/json");
xmlhttp.setRequestHeader("Content-Type", "application/json; charset=utf-8");
xmlhttp.setRequestHeader("OData-MaxVersion", "4.0");
xmlhttp.setRequestHeader("OData-Version", "4.0");
xmlhttp.send(jsondata);
if (xmlhttp.readyState == 4 /* complete */) {
if (xmlhttp.status == 204) {
//Xrm.Utility.alertDialog("记录修改成功!")
} else {
return JSON.parse(xmlhttp.response);
}
}
}
//获取修改信息
function UpdateInfo(){
let name = window.parent.Xrm.Page.data.entity.getEntityName();
let a = name[name.length - 2];//t
let b = name[name.length - 1];//y
let c = a + b;//ty
if (b == "y") {
b = "ies";
}
else if (b == "s" || c == "es") {
b = "ses";
}
else {
b = b + "s";
}
name = name.substring(0, name.length - 1);
name = name + b;
var jsondata = {};
jsondata.new_user_name = Xrm.Page.getAttribute("new_client_name").getValue();
jsondata.new_user_id = Xrm.Page.getAttribute("new_client_id").getValue();
jsondata.new_user_sex = Xrm.Page.getAttribute("new_client_sex").getValue();
jsondata.new_user_addtime = Xrm.Page.getAttribute("new_client_addtime").getValue();
jsondata.new_user_float = Xrm.Page.getAttribute("new_client_float").getValue();
jsondata.new_user_a = Xrm.Page.getAttribute("new_client_a").getValue();
jsondata.new_user_money = Xrm.Page.getAttribute("new_client_money").getValue();
jsondata.new_user_cardnumber = Xrm.Page.getAttribute("new_client_cardnumber").getValue();
if (Xrm.Page.getAttribute("new_client_summary").getValue() != null) {
jsondata.new_user_summary = Xrm.Page.getAttribute("new_client_summary").getValue();
} else {
jsondata.new_user_summary = null;
}
/绑定查找信息
//多选项集保存字段为字符串形式
var d = Xrm.Page.getAttribute("new_client_hobby").getValue();
var e = "";
if (d != null) {
for (var i = 0; i < d.length; i++) {
if (i == 0) {
e = d[i];
}
else {
e = e + "," + d[i];
}
}
jsondata.new_user_hobby = e;
} else {
jsondata.new_user_hobby = null;
}
//查找保存为odata.bind形式【】里面为被链接实体，@odatabind必写，/后面为链接实体（实体id）
if (Xrm.Page.getAttribute("new_client_select").getValue() != null) {
jsondata["new_user_select@odata.bind"] = "/new_test_entities(" + Xrm.Page.getAttribute("new_client_select").getValue()[0].id.replace('{', '').replace('}', '') + ")";
}
//获取当前实体id
var a = Xrm.Page.getAttribute("new_select_entity").getValue();
var id = a[0].id.replace('{', '').replace('}', '').toUpperCase();
//获取当前选中的名称
UpdateMul(name, id, JSON.stringify(jsondata));
}
删除
var localUrl = Xrm.Page.context.getClientUrl() + "/api/data/v9.0/" + name;
function getXmlHttpRequestHH() {
var xmlHttp;
if (window.ActiveXObject) {
var aVersions = ["Msxml2.XMLHttp", "Msxml2.XMLHttp.5.0", "Msxml2.XMLHttp.4.0", "Msxml2.XMLHttp.3.0", "Microsoft.XMLHttp"];
for (var i = 0; i < aVersions.length; i++) {
try {
xmlHttp = new ActiveXObject(aVersions[i]);
break;
} catch (e) { }
}
} else if (window.XMLHttpRequest) {
xmlHttp = new XMLHttpRequest();
}
return xmlHttp;
}
function DeleteEntity(entityname, objectid) {
debugger; //js断点
var requestURL = localUrl + "entityname" + "(" + objectid + ")";
var xmlhttp = getXmlHttpRequestHH();
if (xmlhttp == null) {
var obj = new Object();
obj.error = new Object();
obj.error.message = new Object();
obj.error.message.value = "您的浏览器不支持XmlHttpRequest，请更新或使用IE浏览器！";
return obj;
}
xmlhttp.open("DELETE", requestURL, false);
xmlhttp.setRequestHeader("Accept", "application/json");
xmlhttp.setRequestHeader("Content-Type", "application/json; charset=utf-8");
xmlhttp.setRequestHeader("OData-MaxVersion", "4.0");
xmlhttp.setRequestHeader("OData-Version", "4.0");
xmlhttp.send();
if (xmlhttp.readyState == 4 /* complete */) {
xmlhttp.onreadystatechange = null;
if (xmlhttp.status == 204) {
//Xrm.Utility.alertDialog("记录删除成功!");
}
else if (xmlhttp.status == 404) {
return "要删除的记录不存在!";
}
else {
return JSON.parse(xmlhttp.response);
}
}
}
function GetDel() {
// Xrm.Page.data.entity.getId();为获取当前数据的id
var objectid = Xrm.Page.data.entity.getId().replace('{', '').replace('}', '');
let name = window.parent.Xrm.Page.data.entity.getEntityName();
let a = name[name.length - 2];//t
let b = name[name.length - 1];//y
let c = a + b;//ty
if (b == "y") {
b = "ies";
}
else if (b == "s" || c == "es") {
b = "ses";
}
else {
b = b + "s";
}
name = name.substring(0, name.length - 1);
name = name + b;
DeleteEntity(name, objectid);
}