输入框，增加只读模式

Tevin

2022-04-12 17992a8ff38847414097c0899f86257a0e52f643

 forms/input/cInput.scss

@@ -6,6 +6,10 @@
@import "../../common/sassMixin";

.c-input {
    &.read-only {
        pointer-events: none;
        background-color: #fafafa;
    }
    .at-input__icon {
        display: none;
    }