1.下划线转化为驼峰
let newKey = 'obj_key'
newKey = newKey.replace(/_([a-z])/g, (p, m) => m.toUpperCase())
2.驼峰转化下划线
let newKey = 'objKey'
newKey = newKey.replace(/([A-Z])/g, (p, m) => `_${m.toLowerCase()}`)
1.下划线转化为驼峰
let newKey = 'obj_key'
newKey = newKey.replace(/_([a-z])/g, (p, m) => m.toUpperCase())
2.驼峰转化下划线
let newKey = 'objKey'
newKey = newKey.replace(/([A-Z])/g, (p, m) => `_${m.toLowerCase()}`)