as shown in the figure, merge the first two columns with the same mainId, because the number of data with the same mainId is variable and need to be juxtaposed dynamically. I have been unable to think of a good way, so ask netizens. The
code is here for everyone to modify: https://jsfiddle.net/ryx47gL8/
export function rowSpan (id, row, cols, standardCol) {
var tb = document.getElementById(id)
var lastValue = ''
var value = ''
var pos = 1
for (var i = row; i < tb.rows.length; iPP) {
value = tb.rows[i].cells[standardCol].innerHTML
if (value !== '' && value !== '\t' && value !== '\n' && value !== '\r') {
if (lastValue == value) { // eslint-disable-line
var colsbak = cols.slice(0)
colsbak.sort(function (a, b) {
return a - b
})
for (var c = colsbak.length - 1; c >= 0; c--) {
tb.rows[i].deleteCell(colsbak[c])
tb.rows[i - pos].cells[colsbak[c]].rowSpan = tb.rows[i - pos].cells[colsbak[c]].rowSpan + 1
}
posPP
} else {
lastValue = value
pos = 1
}
}
}
} I operate dom.
id is the row in which the id,row: of the table is merged, usually the array, the column to be merged, the standardCol: standard column, that is, your mainId column
call as follows, call
after domrowSpan('fixedtb', 0, [0, 1, 2, 3, 4, 5], 5)means that starting from the first row, listing 6 as the standard, merging the first six columns
it is better to ask for help than to beg yourself. We have to search all kinds of Google and finally find a way. Refer to the article https://blog.csdn.net/qq_2946.
to put the complete code for others to refer to https://jsfiddle.net/u06mo3sy/
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