Frequently problem solutions in the ClJ Excel framework summary
When using the CLJ Excel framework, some common problems may be encountered.The following is a summary of the solutions of these problems.
1. How to read Excel files?
The CLJ Excel framework provides a convenient function `Read-EXCEL` to read the excel file.The following is an example code to demonstrate how to use this function:
(ns my-app
(:require [clj-excel.core :refer [read-excel]]))
(defn read-excel-file [file]
(let [data (read-excel file)]
(println data)))
(read-excel-file "path/to/excel-file.xlsx")
2. How to get the value of a specific cell from the excel file?
The CLJ Excel framework provides a function `get-cell-value` to get the value of a specific cell.The following is an example code to demonstrate how to use this function:
(ns my-app
(:require [clj-excel.core :refer [read-excel get-cell-value]]))
(defn get-cell-value-from-excel [file row col]
(let [data (read-excel file)
cell-value (get-cell-value data row col)]
(println cell-value)))
(get-cell-value-from-excel "path/to/excel-file.xlsx" 1 2)
3. How to write data from the Excel file?
The CLJ Excel framework provides a function `write-excel` to write data from the Excel file.The following is an example code to demonstrate how to use this function:
(ns my-app
(:require [clj-excel.core :refer [write-excel]]))
(defn write-data-to-excel [file data]
(write-excel file data))
(write-data-to-excel "path/to/excel-file.xlsx" [["Name" "Age"]
["Alice" 25]
["Bob" 30]])
4. How to create a new worksheet in Excel files?
The CLJ Excel framework provides a function `add-sheet` to create a new worksheet in the Excel file.The following is an example code to demonstrate how to use this function:
(ns my-app
(:require [clj-excel.core :refer [add-sheet]]))
(defn add-new-sheet [file sheet-name]
(add-sheet file sheet-name))
(add-new-sheet "path/to/excel-file.xlsx" "Sheet2")
These are some common problems solutions that help you better use the CLJ Excel framework to process Excel files.