Dynamics CRM 2015/2016新特性之二十一：使用Web API查询记录

function UTCToLocalTime(d) {
    var timeOffset = -((new Date()).getTimezoneOffset() / 60);
    d.setHours(d.getHours() + timeOffset);
    return d;
}

function ConvertStringToDatetime(dateString) {
    var reggie = /(\d{4})-(\d{2})-(\d{2})T(\d{2}):(\d{2}):(\d{2})Z/;
    var dateArray = reggie.exec(dateString);
    var dateObject = new Date(
        (+dateArray[1]),
        (+dateArray[2]) - 1,
        (+dateArray[3]),
        (+dateArray[4]),
        (+dateArray[5]),
        (+dateArray[6])
    );
    return dateObject;
}

function NameOnchangeHandler() {
    var clientURL = Xrm.Page.context.getClientUrl();
    var req = new XMLHttpRequest()
    req.open("GET", encodeURI(clientURL + "/api/data/v8.0/ly_tests?$select=ly_name,ly_alternatekey,ly_bool,ly_datetime,ly_decimal,ly_float,_ly_lookup_value,ly_integer,ly_money,ly_multilinetext,ly_optionset,ly_singlelinetext&$orderby=ly_datetime asc&$filter=contains(ly_name,‘Update消息测试‘)&$count=true"), true);
    req.setRequestHeader("Accept", "application/json");
    req.setRequestHeader("Content-Type", "application/json; charset=utf-8");
    req.setRequestHeader("OData-MaxVersion", "4.0");
    req.setRequestHeader("OData-Version", "4.0");
    req.onreadystatechange = function () {
        if (this.readyState == 4) {
            req.onreadystatechange = null;
            if (this.status == 200) {
                var responseJSON = JSON.parse(this.responseText);
                Xrm.Utility.alertDialog("本次查询返回符合条件的记录条数:" + responseJSON["@odata.count"]);
                if (responseJSON.value != null && responseJSON.value.length >= 1) {
                    for (var i = 0; i < responseJSON.value.length; i++) {
                        Xrm.Utility.alertDialog("ly_name=" + responseJSON.value[i].ly_name);//单行文本
                        Xrm.Utility.alertDialog("ly_alternatekey=" + responseJSON.value[i].ly_alternatekey);//单行文本
                        Xrm.Utility.alertDialog("ly_bool=" + responseJSON.value[i].ly_bool);//两个选项
                        Xrm.Utility.alertDialog("ly_datetime=" + UTCToLocalTime(ConvertStringToDatetime(responseJSON.value[i].ly_datetime)));//日期和时间,需要将UTC时间转换为本地时间
                        Xrm.Utility.alertDialog("ly_decimal=" + responseJSON.value[i].ly_decimal);//十进制数
                        Xrm.Utility.alertDialog("ly_float=" + responseJSON.value[i].ly_float);//浮点数
                        Xrm.Utility.alertDialog("ly_lookup=" + responseJSON.value[i]._ly_lookup_value);//查找字段，只有记录的主键Guid，且前面加下划线，后面加_value
                        Xrm.Utility.alertDialog("ly_integer=" + responseJSON.value[i].ly_integer);//整数
                        Xrm.Utility.alertDialog("ly_money=" + responseJSON.value[i].ly_money);//货币
                        Xrm.Utility.alertDialog("ly_multilinetext=" + responseJSON.value[i].ly_multilinetext);//多行文本
                        Xrm.Utility.alertDialog("ly_optionset=" + responseJSON.value[i].ly_optionset);//选项集
                        Xrm.Utility.alertDialog("ly_singlelinetext=" + responseJSON.value[i].ly_singlelinetext);//单行文本
                        Xrm.Utility.alertDialog("主键ly_testid=" + responseJSON.value[i].ly_testid);//主键
                        Xrm.Utility.alertDialog("币种_transactioncurrencyid_value=" + responseJSON.value[i]._transactioncurrencyid_value);//币种
                    }
                }
            }
            else {
                var error = JSON.parse(this.responseText).error;
                Xrm.Utility.alertDialog("查询罗勇测试实体记录出错." + error.message);
            }
        }
    };
    req.send();
}

function UTCToLocalTime(d) {
    var timeOffset = -((new Date()).getTimezoneOffset() / 60);
    d.setHours(d.getHours() + timeOffset);
    return d;
}

function ConvertStringToDatetime(dateString) {
    var reggie = /(\d{4})-(\d{2})-(\d{2})T(\d{2}):(\d{2}):(\d{2})Z/;
    var dateArray = reggie.exec(dateString);
    var dateObject = new Date(
        (+dateArray[1]),
        (+dateArray[2]) - 1,
        (+dateArray[3]),
        (+dateArray[4]),
        (+dateArray[5]),
        (+dateArray[6])
    );
    return dateObject;
}
function NameOnchangeHandler() {
    var clientURL = Xrm.Page.context.getClientUrl();
    var req = new XMLHttpRequest()
    req.open("GET", encodeURI(clientURL + "/api/data/v8.0/ly_tests(278FF7E9-22B4-E511-80DA-000D3A400088)?$select=ly_name,ly_alternatekey,ly_bool,ly_datetime,ly_decimal,ly_float,_ly_lookup_value,ly_integer,ly_money,ly_multilinetext,ly_optionset,ly_singlelinetext"), true);
    req.setRequestHeader("Accept", "application/json");
    req.setRequestHeader("Content-Type", "application/json; charset=utf-8");
    req.setRequestHeader("OData-MaxVersion", "4.0");
    req.setRequestHeader("OData-Version", "4.0");
    req.onreadystatechange = function () {
        if (this.readyState == 4) {
            req.onreadystatechange = null;
            if (this.status == 200) {
                var responseJSON = JSON.parse(this.responseText);
                Xrm.Utility.alertDialog("ly_name=" + responseJSON.ly_name);//单行文本
                Xrm.Utility.alertDialog("ly_alternatekey=" + responseJSON.ly_alternatekey);//单行文本
                Xrm.Utility.alertDialog("ly_bool=" + responseJSON.ly_bool);//两个选项
                Xrm.Utility.alertDialog("ly_datetime=" + UTCToLocalTime(ConvertStringToDatetime(responseJSON.ly_datetime)));//日期和时间,需要将UTC时间转换为本地时间
                Xrm.Utility.alertDialog("ly_decimal=" + responseJSON.ly_decimal);//十进制数
                Xrm.Utility.alertDialog("ly_float=" + responseJSON.ly_float);//浮点数
                Xrm.Utility.alertDialog("ly_lookup=" + responseJSON._ly_lookup_value);//查找字段，只有记录的主键Guid
                Xrm.Utility.alertDialog("ly_integer=" + responseJSON.ly_integer);//整数
                Xrm.Utility.alertDialog("ly_money=" + responseJSON.ly_money);//货币
                Xrm.Utility.alertDialog("ly_multilinetext=" + responseJSON.ly_multilinetext);//多行文本
                Xrm.Utility.alertDialog("ly_optionset=" + responseJSON.ly_optionset);//选项集
                Xrm.Utility.alertDialog("ly_singlelinetext=" + responseJSON.ly_singlelinetext);//单行文本
                Xrm.Utility.alertDialog("主键ly_testid=" + responseJSON.ly_testid);//主键
                Xrm.Utility.alertDialog("币种_transactioncurrencyid_value=" + responseJSON._transactioncurrencyid_value);//币种
            }
            else {
                var error = JSON.parse(this.responseText).error;
                Xrm.Utility.alertDialog("查询罗勇测试实体记录出错." + error.message);
            }
        }
    };
    req.send();
}