多维表格
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'use strict';
const program = require('commander');
const colors = require('colors');
program.on('--help', () => {
console.log('')
console.log(' Examples:'.blue)
console.log('')
console.log(' $ xmysql -u username -p password -d databaseSchema'.blue)
console.log('')
})
program
.version('0.0.2')
.option('-h, --host <n>', 'hostname')
.option('-d, --database <n>', 'database schema name')
.option('-u, --user <n>', 'username of database / root by default')
.option('-p, --password <n>', 'password of database / empty by default')
.option('-n, --portNumber <n>', 'port number : 3000 by default')
.parse(process.argv)
function paintHelp(txt) {
return colors.magenta(txt) //display the help text in a color
}
function processInvalidArguments(program) {
let err = '';
if (!program.password) {
err += 'Error: password for database is missing\n';
}
if (!program.database) {
err += 'Error: database name is missing\n';
}
if (err !== '') {
program.outputHelp(paintHelp)
console.log(err.red)
}
}
exports.handle = program => {
/**************** START : default values ****************/
program.portNumber = program.portNumber || 3000;
program.user = program.user || 'root';
program.password = program.password || '';
program.host = program.host || 'localhost';
program.connectionLimit = 10;
if (program.host === 'localhost' || program.host === '127.0.0.1') {
program.dynamic = 1
}
//console.log(program.rawArgs);
/**************** END : default values ****************/
if (program.database && program.host && program.user) {
console.log('Starting server at:', 'http://'+program.host + ':' + program.portNumber)
} else {
processInvalidArguments(program)
process.exit(1)
}
};