jQuery serializeArray()对

Question

我有以下JSON：

[
   {"name":"recid","value":"6028"},
   {"name":"notes","value":""},
   {"name":"recid","value":"6029"},
   {"name":"notes","value":""},
   {"name":"recid","value":"6030"},
   {"name":"notes","value":""},
   {"name":"recid","value":"6031"},
   {"name":"notes","value":""}
]

我就是这么做的吗？

      // Serialize form data
      var data = table.$('input,select,textarea').serializeArray();

      // Include extra data if necessary
      //data.push({'name': 'orderid', 'value': <%=orderid%>});

      alert (JSON.stringify(data));

我如何使数据看起来像这样：

[
   {"recid":6028,"notes":null},
   {"recid":6029,"notes":null}
]

Answer 1

reduce循环可以帮助填充所需的数据。附有评论：

let data = incoming.reduce((b, a, i) => { // b is the accumlating array, a is the iteration, i is index
  let prev = i > 0 ? b.length - 1 : 0 // get the prev array index
  if (i > 0 && i % 2) b[prev][a.name] = a.value; // every other time add to the previous array object
  else b.push({ [a.name]: a.value }); // else start a new one
  return b
}, [])

​

let incoming = [{"name":"recid","value":"6028"},{"name":"notes","value":"test notes"},{"name":"recid","value":"6029"},{"name":"notes","value":"test notes2"},{"name":"recid","value":"6030"},{"name":"notes","value":"test notes3"},{"name":"recid","value":"6031"},{"name":"notes","value":"test notes4"}]

let data = incoming.reduce((b, a, i) => {
  let prev = i > 0 ? b.length - 1 : 0
  if (i > 0 && i % 2) b[prev][a.name] = a.value;
  else b.push({
    [a.name]: a.value
  });
  return b
}, [])

console.log(data)

​