本文整理汇总了TypeScript中d3-dsv.csvParse函数的典型用法代码示例。如果您正苦于以下问题：TypeScript csvParse函数的具体用法？TypeScript csvParse怎么用？TypeScript csvParse使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。
在下文中一共展示了csvParse函数的5个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的TypeScript代码示例。
示例1: renderTable
/**
* Render an html table from a csv string.
*/
renderTable(content: string) {
let parsed = csvParse(content);
let table = document.createElement('table');
let header = document.createElement('tr');
for (let name of parsed.columns) {
let th = document.createElement('th');
th.textContent = name;
header.appendChild(th);
}
table.appendChild(header);
for (let row of parsed) {
let tr = document.createElement('tr');
for (let col of parsed.columns) {
let td = document.createElement('td');
td.textContent = row[col]
tr.appendChild(td);
}
table.appendChild(tr);
}
this.node.textContent = '';
this.node.appendChild(table);
}示例2: Date
num = parseMappedArray.length;
declare let parseArray: d3Dsv.DSVParsedArray<d3Dsv.DSVRowString>;
strMaybe = parseArray[0].property;
columns = parseArray.columns;
num = parseArray.length;
// ------------------------------------------------------------------------------------------
// Test CSV
// ------------------------------------------------------------------------------------------
// csvParse(...) ============================================================================
// without row mapper -----------------------------------------------------------------------
parseArray = d3Dsv.csvParse(csvTestStringWithHeader);
rowArrayHeader = d3Dsv.csvParse<Headers>(csvTestStringWithHeader);
// with row mapper ---------------------------------------------------------------------------
parseMappedArray = d3Dsv.csvParse(csvTestStringWithHeader, (rawRow, index, columns) => {
const rr: d3Dsv.DSVRowString = rawRow;
const i: number = index;
const c: string[] = columns;
const d: number | null = rr.Year ? +rr.Year! : null;
const pr: ParsedTestObject | null | undefined = d !== null
? (
d > 1997
? {
year: new Date(d, 0, 1),
make: rr.Make ? rr.Make! : "Missing Value",示例3: Date
let columns: string[];
let num: number;
let dateNull: Date | null;
let str: string;
let strMaybe: string | undefined;
// ------------------------------------------------------------------------------------------
// Test CSV
// ------------------------------------------------------------------------------------------
// csvParse(...) ============================================================================
// without row mapper -----------------------------------------------------------------------
parseArray = d3Dsv.csvParse(csvTestStringWithHeader);
columns = parseArray.columns;
strMaybe = parseArray[0]['Year'];
// date = parseArray[0]['Year']; // fails, return value is string
// with row mapper ---------------------------------------------------------------------------
parseMappedArray = d3Dsv.csvParse(csvTestStringWithHeader, (rawRow, index, columns) => {
const rr: d3Dsv.DSVRowString = rawRow;
const i: number = index;
const c: string[] = columns;
const pr: ParsedTestObject = {
year: rr['Year'] ? new Date(+rr['Year']!, 0, 1) : null,
make: rr['Make'] ? rr['Make']! : "Missing Value",示例4: function
let columns: Array<string>;
let num: number;
let date: Date;
let str: string;
// ------------------------------------------------------------------------------------------
// Test CSV
// ------------------------------------------------------------------------------------------
// csvParse(...) ============================================================================
// without row mapper -----------------------------------------------------------------------
parseArray = d3Dsv.csvParse(csvTestStringWithHeader);
columns = parseArray.columns;
str = parseArray[0]['Year'];
// date = parseArray[0]['Year']; // fails, return value is string
// with row mapper ---------------------------------------------------------------------------
parseMappedArray = d3Dsv.csvParse(csvTestStringWithHeader, function (rawRow, index, columns) {
let rr: d3Dsv.DSVRowString = rawRow;
let i: number = index;
let c: Array<string> = columns;
let pr: ParsedTestObject;
pr = {示例5: Date
let columns: string[];
let num: number;
let date: Date;
let str: string;
// ------------------------------------------------------------------------------------------
// Test CSV
// ------------------------------------------------------------------------------------------
// csvParse(...) ============================================================================
// without row mapper -----------------------------------------------------------------------
parseArray = d3Dsv.csvParse(csvTestStringWithHeader);
columns = parseArray.columns;
str = parseArray[0]['Year'];
// date = parseArray[0]['Year']; // fails, return value is string
// with row mapper ---------------------------------------------------------------------------
parseMappedArray = d3Dsv.csvParse(csvTestStringWithHeader, (rawRow, index, columns) => {
const rr: d3Dsv.DSVRowString = rawRow;
const i: number = index;
const c: string[] = columns;
const pr: ParsedTestObject = {
year: new Date(+rr['Year'], 0, 1),
make: rr['Make'],