<script>
export default {
data() {
return {
subjectnum: [0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15],
index: 0,
subjectinfo: [],
result: 0
}
},
methods: {
bindPickerChange(e) {
if (Number(this.index) > Number(e.detail.value)) {
var count = this.index - e.detail.value;
var temp = this.subjectinfo.slice();
for (var i = 0; i < count; i++) {
temp.pop();
}
this.subjectinfo = temp;
} else if (Number(this.index) < Number(e.detail.value)) {
var count = e.detail.value-this.index
var temp = this.subjectinfo.slice()
for (var i = 0;i < count;i++) {
temp.push({
subject: "科目",
credit: 0,
grade: 0
})
}
this.subjectinfo = temp
}
this.index = e.detail.value
this.result = 0
console.log(this.subjectinfo)
},
confirmCredit(e) {
this.subjectinfo[e.currentTarget.dataset.index].credit = e.detail.value
console.log(this.subjectinfo)
},
confirmGrade(e) {
this.subjectinfo[e.currentTarget.dataset.index].grade = e.detail.value
console.log(this.subjectinfo)
},
cal() {
const t = this.subjectinfo
var sumc = 0
var sum = 0
for (var i = 0;i < this.index;i++) {
sumc+=Number(t[i].credit)
sum+=Number(t[i].credit)*(4-3*(100-Number(t[i].grade))*(100-Number(t[i].grade))/1600)
}
var result = sum/sumc
this.result = result
},
}
}
</script>
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