Oracle JET(OJET) 面试题与答案

问题 51. What are Guages?

Gauges focus on a single value, displayed in relation to minimum, maximum, or threshold values.

The Gauge types are:

• LED
• Rating
• Status Meter

问题 52. What is LED Gauge?

Graphically depicts a measurement, such as a key performance indicator (KPI). Several styles of shapes are available, including round or rectangular shapes that use color to indicate status, and triangles or arrows that point up, left, right, or down in addition to the color indicator.

Use to highlight a specific metric value in relation to its threshold.

问题 53. What is Rating Gauge?

Displays and optionally accepts input for a metric value.

Use to show ratings for products or services, such as the star rating for a movie.

问题 54. What is Status Meter Gauge?

Displays a metric value on a horizontal, vertical, or circular axis. An inner rectangle shows the current level of a measurement against the ranges marked on an outer rectangle. Optionally, status meters can display colors to indicate where the metric value falls within predefined thresholds.