fetch

问题 I have a login page, which excepts the username and password. Upon button submission, the page processes the user credentials via a json / api and generates a token thus routing the user over to a landing that presents the client with a drop-down of their respective info. My login page is getting the user token from the API (confirmed via console.log), but the problem I'm encountering is getting the token to pass from the login page over to the landing page. Now, when I manually paste the

问题 Say I there's mypage.html and otherpage.html otherpage.html has some content <p>content is content</p> I want a javascript that can fetch the content from otherpage.html and paste it in mypage.html Is there a javascript that can accomplish this? thanks. 回答1: From the title, it appears that otherpage.html is in a different domain. This being the case this is not possible in the browser (there's a few exceptions with flash/java/silverlight). If the page is in the same domain, it's easy. Take a

问题 I am trying to decode JSON object using Codable with Swift 4: { USD: { "15m": 9977.49, last: 9977.49, buy: 9979.36, sell: 9975.62, symbol: "$" }, AUD: { "15m": 13181.69, last: 13181.69, buy: 13184.16, sell: 13179.22, symbol: "$" }, TBD: { "15m": 13181.69, last: 13181.69, buy: 13184.16, sell: 13179.22, symbol: "$" } } This is what I've done so far with a model of an object: struct Currency: Codable { let fifteenMin: Double? let last: Double? let buy: Double let sell: Double let symbol: String

问题 I am using fetch to read data from API build in NodeJS. I have the following method: exports.read_detail = async function(req, res) { try { let pool = await new sql.ConnectionPool(config).connect(); pool.on('error', err => { console.log("Pool Error"); console.log(err); }) let resultDcn = await pool.request() .input('DcnId', sql.Int, parseInt(req.body.DcnId)) .query('SELECT * FROM Dcn WHERE DcnId = @DcnId'); if(resultDcn.rowsAffected[0]) { var DCNObj = resultDcn.recordset[0]; let resultDcnDay

问题 Am working on a database of student lessons and answers. Each assignment and each result has an associative array with six or more fields (columns) stored in a MySQL database in lesson and answer tables. I use sql PDO execute() to get all the assignments and also different sql to get all the results. FetchAll gives me an outer numeric array and an inner array with both numeric and associative indexes. I want only associative indexes on the inner array. ->fetch(\PDO::FETCH_ASSOC); gives me

问题 I am building a little search engine and got following problem: Everytime I enter a query, the last letter is missing. I figured out, that it has something to do with setState and that it is not asynchronous ... But I can not come up with a solution fo my case. Her is my function: searchHandler = ({ target: { value } }) => { this.setState({ term: value }); this.updateMessage(value); if(this.state.message.length === 0){ this.setState({hasMoreItems: false}) this.componentDidMount(); }else{ var

问题 I guess my API knowledge is still limited because I could not figure this out. I have an app that sits on React front end and Rails backend. If I want to delete one item at a time, I can do something like this: function deleteSomething(somethingId){ return fetch(`api/something/${somethingId}`, { method: 'DELETE' }) } and in Rails controller, I do something like def destroy @something = Something.find(params[:id]).destroy head :no_content end My routes look like this: scope :api do resources

问题 using Perl I get a key - value based dictionary from an API call. use strict; use warnings; use LWP::Simple; my $url = "http://example.com/?id=124341"; my $content = get($url); $content =~ s/ /%20/g; print $content; {"id":"85710","name":"jack","friends":["james","sam","Michael","charlie"]} how can I parse it to get the results as bellow? name : jack hist friend list : james sam Michael charlie Thanks! 回答1: use strict; use warnings; use JSON 'decode_json'; my $content = '{"id":"85710","name":

问题 fetch('https://en.wikipedia.org/w/api.php?action=query&titles=Main%20Page&prop=revisions&rvprop=content&format=json') .then( function(response) { if (response.status !== 200) { console.log('Looks like there was a problem. Status Code: ' + response.status); return; } // Examine the text in the response response.json().then(function(data) { console.log(data); }); } ) .catch(function(err) { document.write('Fetch Error :-S', err); }); The fetch address I'm using is listed here: https://www

问题 I have below query to select the count of subquery: SELECT COUNT(*) FROM (select crs_cust.CUSTOMER_ID, subset.NEW_REFERENCE_ID FROM CRS_CUSTOMERS crs_cust INNER JOIN DAY0_SUBSET subset ON crs_cust.CUSTOMER_ID=subset.CURRENT_CUSTOMER_ID); Above query is executed from a cursor in PL/SQL, how can I fetch columns from subquery ( CUSTOMER_ID and NEW_REFERENCE_ID ) into respective parameter? The cursor is expected to have multiple records.Similiar like the following: p_Count := SELECT COUNT(*) FROM