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[英]How to include external Javascript library in an Ionic 2 TypeScript project?
[英]How to add an external javascript library to ionic 3 typescript project
對於作業,我們需要制作一個恆溫應用程序。 我想在離子中做這個,但我現在正在努力使用提供的API。 我們已經提供了一個API.js文件,其中包含一組函數,用於與我們從中獲取數據的服務器進行通信。 我試圖通過提供程序自己創建這些函數但是因為服務器返回xml數據我到目前為止還沒有成功。 所以我想通過將它包含在我的項目中來使用給定的API.js,但我現在也在努力做到這一點。 因此,我想了解如何將此外部API包含到我的離子項目中並使用已有的函數,或者如何使用返回的xml數據(在應用程序中顯示它並將更改后的數據發回)。
由於這兩個文件都很大,我在下面提供了一些片段,並在pastebin鏈接中提供了完整的文件。
我們可以使用的get和put命令是day,time,currentTemperature,targetTemperature,dayTemperature,nightTemperature,weekProgramState和weekProgram。
非常感謝提前!!
var ServerUrl = '';
Type = {
Day : 'day',
Night : 'night'
};
Days = {
Monday : 'Monday',
Tuesday : 'Tuesday',
Wednesday : 'Wednesday',
Thursday : 'Thursday',
Friday : 'Friday',
Saturday : 'Saturday',
Sunday : 'Sunday'
};
var MinTemperature = parseFloat(5.0);
var MaxTemperature = parseFloat(30.0);
var MaxSwitches = 5;
var Time;
var CurrentDay;
var DayTemperature;
var NightTemperature;
var CurrentTemperature;
var TargetTemperature;
var ProgramState;
var Program = {};
Program[Days.Monday] = [];
Program[Days.Tuesday] = [];
Program[Days.Wednesday] = [];
Program[Days.Thursday] = [];
Program[Days.Friday] = [];
Program[Days.Saturday] = [];
Program[Days.Sunday] = [];
/* Retrive day program
*/
function getProgram(day) {
return Program[day];
}
/* Sorts the heating periods (the periods when the heating is on) and merges overlapping ones
*/
function sortMergeProgram(day) {
var program = getProgram(day);
program.sort(function(a, b){return parseTime(a[0])-parseTime(b[0])});
for (var i = 0; i < program.length - 1; i++) {
if (parseTime(program[i][1]) >= parseTime(program[i+1][0])) {
var start = (program[i][0]);
var end = (parseTime(program[i][1]) > parseTime(program[i+1][1])) ? program[i][1] : program[i+1][1];
program.splice(i, 2);
program.push([start, end]);
sortMergeProgram(day);
break;
}
}
}
/* Retrieves all data from the server except for weekProgram
*/
function get(attribute_name, xml_tag) {
return requestData(
"/"+attribute_name,
function(data) {
return $(data).find(xml_tag).text();
}
);
}
/* Retrieves the week program
*/
function getWeekProgram() {
return requestData(
'/weekProgram',
function(data) {
$(data).find('day').each(function() {
var day = $(this).attr('name');
Program[day] = [];
$(this).find('switch').each(function() {
if ($(this).attr('state') == 'on') {
if ($(this).attr('type') == Type.Day) {
getProgram(day).push([$(this).text(), '00:00']);
} else {
getProgram(day)[getProgram(day).length - 1][1] = $(this).text();
}
}
})
});
return Program;
}
);
}
返回的XML數據
<thermostat><current_day>Thursday</current_day>
<time>23:32</time>
<current_temperature>16.0</current_temperature>
<target_temperature>16.0</target_temperature>
<day_temperature>22.0</day_temperature>
<night_temperature>19.0</night_temperature>
<week_program_state>off</week_program_state>
<week_program state="off">
<day name="Monday">
<switch type="day" state="off">00:00</switch>
<switch type="day" state="off">00:00</switch>
<switch type="day" state="off">00:00</switch>
<switch type="night" state="off">00:00</switch>
<switch type="night" state="off">00:00</switch>
<switch type="night" state="off">00:00</switch>
<switch type="day" state="on">05:00</switch>
<switch type="night" state="on">08:00</switch>
<switch type="day" state="on">12:00</switch>
<switch type="night" state="on">14:00</switch>
</day>
<day name="Tuesday">
<switch type="day" state="off">00:00</switch>
<switch type="day" state="off">00:00</switch>
<switch type="day" state="off">00:00</switch>
<switch type="day" state="off">00:00</switch>
<switch type="day" state="off">00:00</switch>
<switch type="night" state="off">00:00</switch>
<switch type="night" state="off">00:00</switch>
<switch type="night" state="off">00:00</switch>
<switch type="night" state="off">00:00</switch>
<switch type="night" state="off">00:00</switch>
</day>
我要做的是創建一個名為API.ts
的文件。 在其中我將創建一個API類,其中包含API.js
的屬性和函數, API.js
校正Typesctipt語法。
它看起來像是誰寫了這個文件想要也使用jquery
但它沒有導入,所以我也導入了它。 我想你得到了這個文件所以請確保你把它放在src/assets
並更正我的代碼中的導入路徑以獲得匹配的文件名。
所以這就是我擁有的東西:
import * as $ from '.assets/jquery.js';
export class API {
ServerUrl = '';
Type = {
Day: 'day',
Night: 'night'
};
Days = {
Monday: 'Monday',
Tuesday: 'Tuesday',
Wednesday: 'Wednesday',
Thursday: 'Thursday',
Friday: 'Friday',
Saturday: 'Saturday',
Sunday: 'Sunday'
};
MinTemperature = parseFloat('5.0');
MaxTemperature = parseFloat('30.0');
MaxSwitches = 5;
Time;
CurrentDay;
DayTemperature;
NightTemperature;
CurrentTemperature;
TargetTemperature;
ProgramState;
Program:any = {};
constructor() {
this.Program[this.Days.Monday] = [];
this.Program[this.Days.Tuesday] = [];
this.Program[this.Days.Wednesday] = [];
this.Program[this.Days.Thursday] = [];
this.Program[this.Days.Friday] = [];
this.Program[this.Days.Saturday] = [];
this.Program[this.Days.Sunday] = [];
}
/* Retrive day program
*/
getProgram(day) {
return this.Program[day];
}
/* Sorts the heating periods (the periods when the heating is on) and merges overlapping ones
*/
sortMergeProgram(day) {
let program = this.getProgram(day);
program.sort(function(a, b) {
return this.parseTime(a[0]) - this.parseTime(b[0])
});
for (let i = 0; i < program.length - 1; i++) {
if (this.parseTime(program[i][1]) >= this.parseTime(program[i + 1][0])) {
let start = (program[i][0]);
let end = (this.parseTime(program[i][1]) > this.parseTime(program[i + 1][1])) ? program[i][1] : program[i + 1][1];
program.splice(i, 2);
program.push([start, end]);
this.sortMergeProgram(day);
break;
}
}
}
/* Retrieves all data from the server except for weekProgram
*/
get(attribute_name, xml_tag) {
return this.requestData(
"/" + attribute_name,
function(data) {
return $(data).find(xml_tag).text();
}
);
}
/* Retrieves the week program
*/
getWeekProgram() {
return this.requestData(
'/weekProgram',
function(data) {
$(data).find('day').each(function() {
let day = (<any>$(this)).attr('name');
this.Program[day] = [];
$(this).find('switch').each(function() {
if ((<any>$(this)).attr('state') == 'on') {
if ((<any>$(this)).attr('type') == this.Type.Day) {
this.getProgram(day).push([$(this).text(), '00:00']);
} else {
this.getProgram(day)[this.getProgram(day).length - 1][1] = $(this).text();
}
}
})
});
return this.Program;
}
);
}
/* Uploads all data to the server except for currentTemperature and weekProgram
*/
put(attribute_name, xml_tag, value) {
this.uploadData("/" + attribute_name, "<" + xml_tag + ">" + value + "</" + xml_tag + ">");
}
requestData(address, func) {
let result;
(<any>$).ajax({
type: "get",
url: this.ServerUrl + address,
dataType: "xml",
async: false,
success: function(data) {
result = func(data);
}
});
return result;
}
/* Uploads the week program
*/
setWeekProgram() {
let doc = document.implementation.createDocument(null, null, null);
let program = doc.createElement('week_program');
program.setAttribute('state', this.ProgramState ? 'on' : 'off');
for (let key in this.Program) {
let day = doc.createElement('day');
day.setAttribute('name', key);
let daySwitches = [];
let nightSwitches = [];
let i, text, sw;
let periods = this.getProgram(key);
for (i = 0; i < periods.length; i++) {
daySwitches.push(periods[i][0]);
nightSwitches.push(periods[i][1]);
}
for (i = 0; i < this.MaxSwitches; i++) {
sw = doc.createElement('switch');
sw.setAttribute('type', this.Type.Day);
if (i < daySwitches.length) {
sw.setAttribute('state', 'on');
text = doc.createTextNode(daySwitches[i]);
} else {
sw.setAttribute('state', 'off');
text = doc.createTextNode('00:00');
}
sw.appendChild(text);
day.appendChild(sw);
}
for (i = 0; i < this.MaxSwitches; i++) {
sw = doc.createElement('switch');
sw.setAttribute('type', this.Type.Night);
if (i < nightSwitches.length) {
sw.setAttribute('state', 'on');
text = doc.createTextNode(nightSwitches[i]);
} else {
sw.setAttribute('state', 'off');
text = doc.createTextNode('00:00');
}
sw.appendChild(text);
day.appendChild(sw);
}
program.appendChild(day);
}
doc.appendChild(program);
this.uploadData('/weekProgram', (new XMLSerializer()).serializeToString(doc));
}
/* Creates the default week program
*/
setDefault() {
let doc = document.implementation.createDocument(null, null, null);
let program = doc.createElement('week_program');
program.setAttribute('state', this.ProgramState ? 'on' : 'off');
for (let key in this.Program) {
let day = doc.createElement('day');
day.setAttribute('name', key);
let daySwitches = [];
let nightSwitches = [];
let i, text, sw;
for (i = 0; i < this.MaxSwitches; i++) {
sw = doc.createElement('switch');
sw.setAttribute('type', this.Type.Night);
sw.setAttribute('state', 'off');
text = doc.createTextNode('00:00');
sw.appendChild(text);
day.appendChild(sw);
}
for (i = 0; i < this.MaxSwitches; i++) {
sw = doc.createElement('switch');
sw.setAttribute('type', this.Type.Day);
sw.setAttribute('state', 'off');
text = doc.createTextNode('00:00');
sw.appendChild(text);
day.appendChild(sw);
}
program.appendChild(day);
}
doc.appendChild(program);
this.uploadData('/weekProgram', (new XMLSerializer()).serializeToString(doc));
}
uploadData(address, xml) {
(<any>$).ajax({
type: "put",
url: this.ServerUrl + address,
contentType: 'application/xml',
data: xml,
async: false
});
}
parseTime(t) {
return parseFloat(t.substr(0, 2)) + parseFloat(t.substr(3, 2)) / 60;
}
/* Adds a heating period for a specific day
*/
addPeriod(day, start, end) {
let program = this.getWeekProgram()[day];
program.push([start, end]);
this.sortMergeProgram(day);
this.setWeekProgram();
}
/* Removes a heating period from a specific day.
idx is the idex of the period with values from 0 to 4
*/
removePeriod(day, idx) {
let program = this.getWeekProgram()[day];
let start = program[idx][0];
let end = program[idx][1];
program.splice(idx, 1);
this.setWeekProgram();
}
/* Checks whether the temperature is within the range [5.0,30.0]
*/
inTemperatureBoundaries(temp) {
temp = parseFloat(temp);
return (temp >= this.MinTemperature && temp <= this.MaxTemperature);
}
}
現在在您想要使用API的任何離子組件中,您只需將其導入:
import { API } from './API'
然后在你的代碼中使用它如下:
export class yourPage {
constructor(public api: API){}
yourFunction() {
this.api.setDefault();
}
}
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