//index.js
Page({
formSubmit: function(e) {
var a = parseFloat(e.detail.value.a);
var b = parseFloat(e.detail.value.b);
var c = parseFloat(e.detail.value.c);
var res, x1, x2, p, q;
res = Math.pow(b, 2) - 4 * a * c;
if (res < 0) {
wx.showToast({
title: '无实根',
})
} else {
p = -b / (2 * a);
q = Math.sqrt(res) / (2 * a);
x1 = p + q;
x2 = p - q;
}
this.setData({
result1: x1,
result2: x2
});
},
clear: function () {
this.setData({
a: '',
b: '',
c: '',
result: ''
})
}
})
